2000 Silverado 4wd Switch Not Lighting Up - 2000 Silverado does not engage in 4WD, where do I start first?.

In the 2004 Chevy Silverado, common issues with the cluster include flickering lights, inaccurate readings, or complete failure. Lubrication is especially important if you won't …. This issue usually requires a professional diagnosis. No lights at 4WD (floor-style) selector. Operates normally in Auto 4wd, 4Hi, and 4Lo, and 4wd functions as it should. Having the same exact problem but with my 1999 escalade. Replaced switch and TCCM so far no changes. Neutral safety switch adjustment. Hey, i was wondering if you guys can help me i have a 2000 Chevrolet Silverado 4x4 and it is stuck in 4X4 hi i have changed the 4x4 push buttons, the TCCM, the transfer case 4x4 actuator, and the actuator on the front diff but still will not come out of 4x4 hi wont even go into 4 low just 4 hi only. Changed the switch panel and the fluids, but still not working. For awhile it would ocassionally give me the Service 4wd message and the lights on the …. Had intermittent problems with the left driver side window going up and down then it just quit would quit and then work again later and quit then work again later. Any help would be greatly appreciated. take it out of the housing, plug it in and switch between 2 and 4. Tighten the two 7/32 bolts to the actuator. is signulous safe I have a 2000 chevy blazer and last night all indicator lights for the 4WD switch on the dash went out. Hi All, My "Service 4WD" light has come on. I have an automatic 2005 Silverado Z71 with the 5. Result: Upon startup, I hear grinding noise while in Park. c0308 code replaced tccm, transfer case motor, and switch, will not stay in 2wd goes to 4 low then may not even light up the switch. 4Hi engages But Front Diff will NOT pull truck. Sometimes truck will be in 2WD and the indicator light will show neutral or will not light up at all. *Free Shipping on Orders Over $119*. Got the "service 4wd" light, the lights on the switch wouldn't work, also stuck in 2wd. Condition Some customers may comment that the 4WD/AWD indicator lights on the selector switch do not work, or the 4WD/AWD system may be inoperative and/or the service 4WD light is illuminated. Go back to the fuse panel look and for a fuse labeled Park LP (20 amp). Phillip Bailey•15K views · 17:09 · Go to cha. The actuator is located on the front differential. Search Fixya and it just ended up being the darn switch. When I shifted to Drive it seemed to be stuck, the engine reved but the truck bairly moved. However, some say that the lights are the wrong color and don't match the stock. Hi, I've recently had trouble getting my 2000 1500 z71 Silverado to engage 4x4. If the clutch is worn, then the gear stick won’t shift or you would have very rough shifts. ) The fuse in question is the IGN 0 fuse (responsible for "PRND321/odometer/VCM/PCM") which is located in the instrument panel fuse block on …. My Four Wheel Drive Is Not Working. I replaced the 4wd switch and still the same result. Here's a quick way to (possibly) see w. 00) The switch holds steady at 9. INFO Press to select from four display views. By clicking "TRY IT", I agree to receive. With the right tools and a little bit of knowledge, you can keep your …. You can try and disconncet the battery overnight, That should clear the code, But if the problem isn't fixed then It will come back on, maybe when you most need 4x4. The cost includes both labor and parts. Tried to reset the TCCM with the following procedure {disconnected battery for 30 min, reconnected. not sure if connected but 2 days earlier batt was dead for no good reason, 2000 silverado 1500 ext cab 5. If it does not, suspect the neutral safety switch, or more commonly, a broken wire near it or the gear shift is out of adjustment. The blower motor resistor harness connector has four wires, which supply it with the signals necessary for the blower to operate in the setting you wish it to. The fresh air intake is blocked. When it comes to your Chevrolet Silverado 1500, you want parts and products from only trusted brands. Hi, First, check the 4wd fuse to make sure it is good. Cab 6' bed 113,000 Miles (pending) 72 Triumph TR 6 38,000 miles 2008 HD Superglide Custom 82 David Brown 1194 (Tractor) 2008 TaurusX 4wd. Checking the transmission fluid is the first step you should take in diagnosing a Chevy Silverado that won't shift. When I connect the Jcase fuse 67 under de - Answered by a verified GM Mechanic 2006 Silverado 4x4 auto 4wd light just blinks when selected. Then switch to 4Low - the xfer case should shift and the light should illuminate. Once the actuator is loose, unscrew it by hand and remove it. 2005 Chevy Silverado 1500 wont switch to 4wd. Simply turn the key to the "on" position and watch for all the warning lights to illuminate. Ok there is a 4wd control module under the dash. i saw that some of my safety neutral switch wires was exposed. Can you give me any more details about your issue?. The VSS is located on the front passenger's side of the transfer case. How to reset the the service 4wd light on a 1999 chev suburban. Park your Silverado in a safe place and turn off all accessories, including the engine. I changed switch and TCCM checked fuses - Answered by a verified Chevy Mechanic 2000 Chevy Silverado 1500 4WD will not work Symptoms: No 4WD service light No lights in switch assembly even at key on Buttons have no affect on 4WD system (truck stuck in 2H) Steps. Switch on the vehicle and turn down the driver’s door window. Hi ive tried everything no lights on 4wd selector switch. it could be cracked solder connections inside the push button switch - try to re-solder or replace the switch. If you live where there is snow and salt, it it probably corroded. When I press 4 low or 4 high buttons nothing happens. Ground point 18 handles the Cruise control, radio, flasher, headlights, and a couple other things. Simply push the "4WD" button; this will automatically switch your vehicle out of "2WD. I have a 2000 chevy silverado ls. cause the truck wont go into 4x4 unless its in N and with the brake applied. optimum cable box reset 8L V8 Naturally Aspirated OHV GAS: With Auto/Push Button Shift (RPO Code NP8) ONLY: 2000 …. General Motors said it has secured more than 110,000 reservations for its new all-electric Chevrolet Silverado, which includes reservations from more than 240 fleet operators, Chai. Even if the switch is in 4x4 or you manually shift the transfer case into 4x4 high or low, the light will not come on until the GEM module see's the shift motor in either 4x4 mode. I removed the stock bulbs (not shown) by cutting them off with a pair of very small wirecutters. Apr 11, 2019 · no actuator noise no activity at all. 4wd switch blinks when I press a button, but reverts back to the Auto 4wd position. Grand cherokee have a manual shifter for that. Park your Silverado 1500 in a quiet place. A faulty switch may require the knob or button to be pressed or jostled several times before the four-wheel drive system comes on, and even then, it may have difficulty staying engaged. The truck is stuck in 4wd and the service 4wd light is on. There is a lead to the TCCM for each lamp, this allows the TCCM to turn on all lamps, to test the lights, when the truck is started. Service 4WD came up on the DIC. freightliner abs 136 The 4wd system is controlled by the mode selection switch on the dash board, a Transfer Case Shift Control Module, and a Transfer Case Motor/Encoder. With the vehicle in Two Wheel Drive (2WD), there should be 12 volts there. today I lifted the truck up and had someone press 2 hi and I can hear the motor on. I put my truck in 4wheel drive and it doesent switch. My 2013 Silverado is stuck in 2-high. Make sure you have the correct battery in the vehicle and inspect all items relating to the charging system and the battery. Fuse-pull reset to wake up the transfer case control module: Turn the engine on, pull the ATC Fuse out under the hood, wait 30 seconds, re-insert fuse, check for lights on the switch. " It's recommended that you only switch into 4WD when driving in snow or mud, or going off-road (also known as "off-roading"). Come join the discussion about performance, modifications, classifieds, …. Check the switch for any visible signs. I have a 2000 Tahoe Z71 Special Edition (think 90's body style) that is not engaging the 4x4. Replacing the actuator is pretty easy …. I've replaced two electronic items, the switch on top of the transfer case and the control module on the front axel. Some customers may comment that the 4WD/AWD indicator lights on the selector switch do not work, or the 4WD/AWD system may be inoperative and/or the service 4WD light is …. Power may not be making its way through to the fan. Other possible causes include electrical or sensor problems and a malfunctioning or overheated transfer case. 2 POSTS; I have the same problem with my 99 silverado 2500. Was driving towing a trailer, everything working fine. Or fastest delivery Fri, Feb 9. ,on this year the switch was the most common cause for the lights lighting up in both 4low and 4high positions but one common issue was the actuator on the transfer case would short out and cause a short in the 4wd computer causing the computer to fail as well. -New TCCM (599-105)from Summit. Could the TCCM cause the 4wd to supply power in auto-4wd and not in 4hi/4lo? 3. One such solution that has gained popularity in recent years is th. blackstone pro series 4 burner Fuse is OK, swapped the switch assembly with the old one I had that wasn't defective (from a previous troubleshooting experience). Aug 17, 2012 · The lights on mine would blink but it would not lock into 4 wheel drive. Fuse is good (at least the fuses I checked - not sure if there are any I'm missing) 5. amc theater cullman alabama It says it's for the 4wd system. It started just doing it every now and then And now it's constantly on. In almost every case the transfer case is wired to a transfer case control module (TCCM), the switch on the dash is wired to the TCCM, the axle actuator is wired to the TCCM (if you have an electric part time 4x4) Ray. , You must stop, foot on brake, and put the truck in Neutral (for automatics). c0359-4WD low range (4 LO) discrete output circuit. Save up to $10,318 on one of 48,759 used 2000 Chevrolet Silverado 1500s near you. Re: 97 chevy 1500 4wd push button lights wont stay lit 12-08-05 04:21 PM - Post# 825130 In response to 59 EWW i have taken a look at those topics and they didn't help me none. This can happen when hot plugging LEDs in the dome circuit. The special thing about the 2007 Silverado 1500 that i learned is, one model has an Transfer Case Encoder Motor and one model has a Transfer Case …. Transfer case selector switch (on the right). Push button indicator lights blink when trying to shift to 2 WD or any other position. Shift the transmission to NEUTRAL (N) and turn the. This transfer case uses a clutch pack to allow for a difference in speed between the front and rear axles in the Auto-4WD mode. I can switch from 2hi to 4hi or to 4lo without a problem just auto 4wd doesn't seem to be working correctly. The proper way to diagnose this problem would be with a class 2 scan tool like most repair facilities have. The switch seems to be working. For 2WD to 4WD, Pin 1 (Red) is 0 Vdc and Pin 2 (Green) is …. There is no standard height for a light switch. The light on the steering wheel controls comes on but the green light does not and the cruise will not engage. May 5, 2018 · Without knowing the code, you have to pull out the multimeter and do it the old fashioned way. Replaced the ignition switch and now the gas gauge is inop and the battery light stays - Answered by a verified Chevy Mechanic 2000 GMC Pick up 2500, 4WD switch on dash has np lights, replaced switch still not working. Obaee 4x4 Transfer Case Switch, 4WD Wheel Drive Switch Button, Compatible with 1999-2002 Chevrolet Silverado, Chevy Suburban, Tahoe, Avalanche, GMC Yukon, Sierra, Replaces OE 19168767 15709327 901-062. Mechanic's Assistant: Do you have the trouble code? Do you have a code reader or scan tool? The push buttonXXXXXlight up and i hear it engage but the front dont pull. in 4wd hi and lo every thing works fine. Cleaned grounds underneath drivers side door nothing. 5 3 Wiring Harness Diagrams Here Ls1tech Camaro And Firebird Forum Discussion. I should have known then, from. Test the switch the same way the brake switch is tested. When I rotate the knob on the dash to AUTO or 4H, nothing happens. Over the past few months the truck has failed to go into 4 …. Was working great and took it out one weekend and will not engage. You should hear two clicks as the lights turn on. I have found out that usually the two ground wires that are attached to the frame right under the front of the driver's door is the culprit that causes the 4wd. For 4wl need to be stopped and put in neutral or park it wont actuate while driving [ blinking light indicates failure to engage ] 4wd hi can do while driving --if fails also then check and test for actuator sticking --control module --or transfer case failure. I noticed today that the 4x4 switch does not illuminate when I switch it. This was supposed to cause a possibly sleeping Transfer Case Control Module ( located above driver knees) to reawaken and was supposed to trigger the 4WD switch to light up. The service 4WD message or light appears when there’s a possible issue in the 4WD system that may require immediate attention. America's most trusted Residential and Commercial Lighting Experts. It is a much cheaper fix than a transmission. If it doesn't, that means the tcase is good because the front driveshaft is locked to the trans and the rear wheels like it should be. state farm arena view from my seat concert also can't tell what gear you are in. The wiring diagram for the 2000 Chevy Silverado 1500 is an essential reference for anyone who plans on working with the vehicle. I always keep the truck in 2wd unless needed other wise but I have noticed on more then one occasion now that my switch will automatically engage into auto 4wd from 2wd. Even if I don't drive it and check it each of the 3-4 days. My 97 T4R 5-speed wouldn't engage the front axle when in 4H or 4L. Normally the cause is a faulty transfer case encoder motor. Opening the door and closing (bad connection) or turning the key off and on (as to reset) does not seem to change it. The controller is responsible for illuminating the switch indicating the mode your in. These switches provide a safe and efficient way to control your lighting fixtures. These problems diminish the driving experience and can lead to safety concerns. 04 Crew Cab Silverado 2500 | 6. The motor isnt responsible for applying torque to the front end. Crawl under the driver's side of the Jeep, locate the 4WD switch on the transfer case. 2001 Chevy 1500 silverado 4wd switch wont light up to allow me to put it in 4wd. Does anyone have any ideas as to where I should start with this? This is the push-button, shift on the fly style. Auto repair pro, 30 years experience. My 4x4 selector switch was not working but did light up. phone box at walmart The problem I have is that when I put the truck in reverse, it pops the B/U light fuse in fuse center under the hood. If the tcase is bad, the front driveshaft will spin. All the lights on the selector switch are - Answered by a verified Chevy Mechanic I cant get the 4x4 selector lights to light up, the selector no lights on selector switch when running ,lights with not come and will not go intoXXXXXwhen I selectXXXXXI have cleaned. Internet suggested to pull the TREC 30A fuse for 30 …. The truck has auto 4wd, 2wd, 4wd hi, 4wd low switch. Web ok i have a 2000 chevy z71. 2000 Chevrolet Silverado 1500 : LT 4WD: Extended Cab Pickup 3dr: 4. Not a good feeling though when your in the backcountry to see the red light. If your Pro Controller isn't charging or lighting up, there might be an easy fix. switches light up on start then nothing. 3 - 4X4 - Z71 - King Shock Level Kit - Body Color GMC grill emblem - 2 Tone Engine Cover, Rad Cover and Battery Box - Volant CAI - Tru Cool 40K tranny cooler - Sylvania ZXE bulbs Hi/Low -TriFold Hard Tonneau Cover- CoverCraft Seat Covers - Diablo inTune - GoRecon LED under rail lights - GoRecon …. The 4wd indicator in the dash (not just the little LED's) should light up. Ok the Light blue wire is the control to enguage the actuator. What do the 4x4 light do when you switch to 4x. I would check for powers and grounds to the transfer case control module. Corroded electrical wire, blown fuse, low voltage dying battery, or faulty sensor is probably the problem for not switching on the lights of your Silverado 4WD. I then traced the wire to the top of the transfercase and tested both the end of the wire and also where it plugs into the transfer caseno charge shown. TEST 4: Fused Jumper Wire (Park Lights Circuit). Tighten the two (2) long screws to 3. Went to put it out of 4lo and it blinked 4 times and all of the lights on the switch went off. ford f250 switched 12v power The condition is typically intermittent and always occurs at key-up. Cleaned the grounding point below the drivers door 2. The ATC fuse is good and so is the 4 x 4 fuse. Fog Light Switch Cargo Lamp Switch | for 03-07 Chevy Silverado 1500 2500 3500, Avalanche Suburban 1500 2500, Tahoe, GMC Sierra 1500 2500, Yukon XL 1500 & More | Replaces# 15143597, 15076588, D7096C 4x4 will not engage ; Service 4WD indicator lite up on dash ; Fault codes for transfer case switch including B2725 ; …. position (2HI, 4HI, AUTO 4WD or 4LO). At the lower stop lamps, the lite blue. With new encoder moder connected switch blinks when key is turned on and can press button to shift to 2wd or 4 wd, but light just blinks and nothing happens. My 4 wheel drive recently stopped working properly. Here at Advance Auto Parts, we work with. I replaced the swith, very easy, takes 2 minutes. After doing a little web search it looks like the 4wd switch is a common fail point. Engage the transfer case - which your manual lever does, and that seems to work well. I bought this received it in a day tool literally no tools and 5 minutes to change! The …. 10 with no buttons pushed, which is spec. Joy-Cons are great for what they are, but they have some big faults. This can be checked in the owners manual. Says it will be $900-$1500 to find out what it is,Yikes!. Chevy Silverado Defrost Not Working: Common Causes and How to Fix. 3L V8: Electrical-Switch & Relay: 4WD Indicator Light Switch: 4WD Switch: A/C Clutch Switch: A/C Compressor Relay: A/C System Relay: A/C and Heater Control Switch / Panel: ABS Relay: ABS Warning Lamp Relay: Back Up Lamp Switch: Blower Motor Relay: Blower Switch: Brake Light Switch:. It just isnt sending the signal to the actuator to engage. 2004 Silverado 2500 Taillight Wiring Gm Truck Club Forum. I took the transfer case out, did the pump rub fix and installed a new (doorman because I couldn't find anything better) shift motor and encoder to put in there. If both the odometer and message center are not working, the problem is likely to be a fuse (both of these displays share the same fuse. The lead from the BCM is probably ok (assuming all other dash lights are working). Simultaneously press and hold the 2HI and 4LO buttons for ten (10) seconds. Manually jumped clutch (truck was not running) and it engages with power 3. See the below picture for the location on 1999-2006 trucks. I have been driving the truck with no problems so far. Start the engine and let it run for five minutes. Turn the transfer case shift control switch (TCSCS) to the 2WD HI position for at least 5 seconds. does anyone deliver breakfast near me 12022 Silverado Brake Lights Not Working 2013 Sierra 1500 Gm Trucks Com. Turning the truck off for a short period of time and restarting the truck will reset the system. 2005 Chevy Silverado The 4wd switch doesn't work when the. Several things could cause this since it is auto 4wd and controlled by a COMPUTER! Start the simplest, cheapest troubleshooting first; the electrical and computer system contact plugs and points. Address Damaged or Worn Vacuum Lines. Jun 16, 2016 · Buy 4WD 4x4 Switch - Replaces 19168767, 15709327, 901062 - Compatible with Chevy, GMC, Cadillac Vehicles - Silverado 1500, 2500HD Suburban, Avalanche, Sierra, Yukon - 1999-2002 - 4 Wheel Drive Selector: Four Wheel Drive - Amazon. When I hit auto,4 hi or 4 low but … read more. 99 chevy 2500 silverado The electronic 4wd selector on the dash doesn't light up or engage the 4wd. Mar 19, 2019 · ☕️Support my channel by donating on Kofi ☕️! I will be eternally grateful 💐https://ko-fi. Another common problem with them is the ground wire on the left front body mount. If all else fails, empty the truck of all personal information and leave it running while refueling in …. Dec 12, 2010 · 99 Chevy Silverado 4x4 not working No light on 4x4 Selector Panel. Weird thing is the hazards all work. As asked B4 does the 4x4 work or not and was it scanned with a real diagnostic monitor, not just an OBII scan tool. Start the engine and put the vehicle in 4 Low and observe what the shifter module motor does. Aug 17, 2014 · since the light on the switch will bulb check so to say when you key it up the module is at least alive so to say if it bulb checks the bulbs. Advertisement The classic fluorescent lamp design, which has fallen mostly by the wayside, used a special starter switch mechanism to light up the tube. Since the Body Control Module controls the reverse lights and dome lights through this fuse, I narrowed down my short to either BCM or Headlamp Switch. I went through 2hi, 4hi, neutral, and 4lo. I would try to replace the switch. P2771 4wd low switch circuit troubleshooting. The 2000 Chevy Silverado 1500 Wiring Diagram is available for download in PDF format, and is easy to use. All three of my brake lights are working along with my turn. Indicator dial will light up in all positions but also stays lit in 4low. my 2000 gmc 3/4 4x4 manual transfer case. Removing the tailgate is a simple procedure, as long. Chassis grounds would cause the transfer . Scan and got code co327 encoder circuit. That means the switch is normally open and closed only when depressed. When the switch does fail, usually a few symptoms will be produced that can alert the driver that a problem has occurred and should be serviced. On SUVs and crossovers with a light-duty four-wheel-drive system that doesn't feature low-range gearing, the design spec doesn't cover more extreme driving situations like deep mud, rock crawling, or heavy snow. Truck will not move in 2wd, but it will in 4wd Auto. this switch is what tells the computer that. The underhood fuse block in the engine compartment on the driver’s side of the vehicle near the battery. The clutch safety switch on vehicles with manual transmissions is used for the same reason. Old corroded wires won't take the solder. How often should you switch colognes? Find out how often you should switch colognes in this article. Z71 off road shows repair code B2725 mode switch circuit. The 4x4 switch is on top of the transfer case and tells the driver information display what 4 wheel drive mode the Jeep is in. You probably have a bad encoder motor. If your transfer case selector switch: Doesn't light up at all when you start your vehicle, then your transfer case selector switch is the suspect. When I connect the Jcase fuse 67 under de hood, the actuator moves out like an inch and the it …. with blue back lighting instead of white. I plowed the last 2 days and toggled bewteen 2wd and 4wd with no issues. Clean or Replace a Malfunctioning 4WD Switch. The fuse was blown and I changed it with the key off and in my pocket and it immediately blew. If you’ve had your Chevy for quite some time, it’s possible that the Chevy drive problems are only just now occurring. Their is also no park in eithe … read more. 2000 z71 silverado when I select 4wd the light on the switch continually flashes and the 4wd does n ot seem to engage - Answered by a verified Chevy Mechanic 2000 3/4ton chevy silverado 4wd doesn't work. When you switch the truck into 4WD, the transfer. Had the truck in the garage doing tire rotation. If both fuses are found to be o. Center Instrument Panel Utility Block diagram. Go to channel · 4 Wheel 4WD Truck Wheels Lock Up on Tight Turns? 2000 Chevy Silverado 4WD transfer case switch repair. TEST 1: Checking Power (Headlight Circuit). When I press the button for 4HI it blinks for 15 seconds the front diff actuator locks, then unlocks and the 4HI blinking stops and goes back to 2HI. GM is adding an electric Chevrolet Silverado pickup truck to its lineup, as the automaker pushes to deliver more than 1 million electric vehicles globally by 2025. Then, pull the connector toward you to remove it. ultraviolet proxy Mar 28, 2003 · Cheap way - To clear the codes and reset the computer, pull the 5 amp TCCM fuse, located at the bottom of the fuse box. Service 4wd message is displayed. Command both the ON and OFF states. 1st on the column works fine, then slip into 2nd and that's fine, but more often then not it'll mess up and I'll have to rev high again, back to first then to 2nd and good. When I opened the old switch to resolder the pins (if that would have. Average repair cost is $70 at. In 2wd and 44wd auto it will drive threw the gears for a short time than goes into neutral. py bling If I Put It In Four Low It Does Not Light Up And It. dd15 oil pressure relief valve location cost about 60 bucks and took 15 minutes to replace. second chance apartments camp creek It's 2002 Silverado Z71 with 160,000 miles. Once Service light is on, I can't switch back to 2wd without restarting truck. Here's what I've done thus far -New transfer case switch. Cleaned all wire harness terminals at TCCM and switch, nothing. If those are good than the next thing do would be to check the diff actuator. I replaced the transfer case control switch, but that did not solve the problem. It did not make any noise, or poping or clunking. I bought it last September with 180,000 miles on it. I have had my chevy switch into four wheel up would surely snap your wrist if not your arm. I'll get under the truck and check see if there's power going to the transfer case. I have been having problems with the 4x4 in my truck for probably 6 months now. Vehicle: 2001 Chevy Silverado 2500HD. Cleaned grounding bolt area under front driver door area. Selector Switch or 4WD Transfer Case Encoder Motor Position Issues. my 4WD doesn't work, all lights flash on for a second after turning on the car and they all go off with a Service 4wd notification on the dash. I have a 2000 chevy blazer 4X4 4. Answered in 10 minutes by: Chevy Mechanic: JOHN aka Eauto. If you strip the bolt (another SS. Now today, my switch is on neutral but I still can drive normally in 2wd. Chevy Silverado z71 4WD service light on? Replace your 4WD switch and it will solve all of your problems Right!. This article applies to the Chevy Silverado GMT800 (1999-2006). 0 with the 4L80e an a few days ago I had a service four-wheel drive light come on, and my selector switch lights went off I went through all diagnosis of checking fuses and the grounds I changed the select button switch and I think it ended up being the transfer case control module was honestly the last thing …. Note that this is what it looks like with the fuse box cover off. front diff will not lock in buttons will not light up to tell you where you at they test out ok changed the front diff actuator nothing 2000 Chevy Silverado 1500 4WD will not work Symptoms: No 4WD service light No lights in switch assembly even at key on Buttons have no affect on 4WD. 2007 Chevy Silveradodoesn’t work, lights not showing up on the 4wd switcher - Answered by a verified Chevy Mechanic Service 4wd comes on intermittently with no response from 4wd switch. Check for the location of the voltage regulator then remove it. 1997 Chevy K1500 4x4 Problems!!! I recently purchased a 97 K1500 with the push button 4 wheel drive. I have checked the bulb, fuse, changed the actuator, and the transfer case switch also. SOURCE: my 2000 blazer won,t select 4wd hi/low or auto. No lights will come on when you switch to low range. 2004 gmc siera 1500 4x4 transfer case is not engaging i noticed that the switch inside the truck isn't lighting up I changed switch and transfer case motor what makes the switch light up. Will give intermittent service 4wd message. This has been an issue on this truck series. Sure it is not going into 4wd? Shift it to 4x4 Hi, drive slowly on dry pavement (parking lot) and make a 'hard' right or left hand turn, does it seem to buck /jump or act like the brakes are coming on then releasing? If so 4x4 is working!! If not suggest having the transfer case module scanned for trouble codes. Buy 4x4 Switch 4WD Wheel Drive Switch for | 2003-2007 Chevy Silverado Suburban Avalanche Tahoe, GMC Sierra Yukon, 1998-2000. Step 1 - Perform an instrument cluster test. My 1998 K1500 Z71 is stuck in 4WD The buttons will not light up, but they are getting power because when I start the - Answered by a verified Chevy Mechanic problem is that yesterday morning the 4WD was stuck on 4LO and will not switch over to 4HI or 2WD I have a 2000 chevy silverado ls. It should get a ground signal when you push the 4hi button. It is located on the left side of the dashboard. It's safe to do this with the ignition on. 3L V6 Naturally Aspirated OHV GAS: With Auto/Push Button Shift (RPO Code NP8) ONLY: 2000 Chevrolet Silverado 1500 : LS 4WD: Extended Cab Pickup 4dr: 4. All my ohms check out with specs when buttons are pushed accept for: 1. The condition of the belts is part of this inspection. Using test light at switch I have power at middle wire on flat 3 way connector and very weak power at 2wd light wire on 6 way connector. Step 1 – Check to see if power is getting to the fan. by the way I'm a service tech 35 years. SOURCE: the 4wd in my 1996 chevy silverado 1500 wont work. this issue is going to come down to a TCCM or an encoder motor on the drivers side of the transfer case. You could have a failed actuator motor. Step 2 - Replace the 4WD selector switch on the dashboard. I've owned the truck for about 8 months and I don't remember seeing it flash before. 4WD 4x4 Switch Replaces 19168767, 901062, 4 Wheel Drive Selector Switch Compatible with 99-02 Chevy Silverado 1500 2500 HD, Tahoe, Suburban, Avalanche, GMC Sierra Yukon, Transfer Case Switch. About two months ago when I first bought the truck the 4 wheel drive was working fine, then one day I noticed the 2 wheel drive light on the button looked a little dim and when I pushed it the light went out completely. when I start the truck, the switch lights up, 4lo blinks and then the switch goes dark and the service light comes on again. FREE delivery Wed, Nov 15 on $35 of items shipped by Amazon. Ok, did the switch this weekendpretty easy, although gave me a little trouble getting the module to pop out, and then getting the wire harness clips back. Sent from my iPhone using Tapatalk. You may be able to diagnose this by testing to. Start up truck and see if 4WD switching capabilities are restored. I had not started the truck in nearly a month and probably only drove it 3-4 times in the last 3 months given everything. The Selector Switch did not light up. When you start it up all the lights on the 4wd selector switch come on and you cannot push any one to change. The codes say transfer case shift motor, but could it be a bad ground connection giving me this code as well?. It is stuck in 4wd and when you turn the key on it might be in 4hi or it might be in 4lo. Chevrolet Silverado 1500 fuse box diagrams change across years, pick the right year of your vehicle: Underhood Electrical Center. This part of the system is where your issue is. If it is like my 2016, you may not feel like there is a big difference but the dash indicates when the truck is in 4WD. Had it checked for codes and no codes were found. Browse Categories Answer Questions. Internet suggested to pull the TREC 30A fuse for 30 seconds. 6000k HID conversion lows, with high/low conversion.