Rapid Flashing Tail Light Problem Solved | GMC Sierra Truck
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- čas přidán 3. 07. 2024
- In this video I troubleshoot my tail lights not working on my Chevy truck. This problem is specific to my 1997 GMC K1500 Sierra pick-up truck. I show you all the steps of my troubleshooting process and how is eventually fixed my rapid flashing rear tail light problem for my GMC Sierra 1500 extended cab 4 X 4 truck.
🔵 Chapters:
00:00 Rapid Flashing Problem Explained
01:58 Taillight Assembly Removal
03:10 Accessing Light Bulbs
05:30 Testing Post Light Bulb Replacement
06:15 Circuit Board Replacement
08:06 Taillight Wire Harness Connection Check
08:38 Ground Wire Check
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* GMC Red Smoke Rear Tail Light: amzn.to/2uplNY6
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#GMC #RapidFlashingTaillight #FixChevyTaillight - Jak na to + styl
Had the EXACT same issues with my tail lights, brake lights and running lights. Checked the ground and it solved all! Thanks for the video.
I left my truck abandoned for almost a year because of that issue i was getting pulled over but no tickets. I checked fuses relays and couldn’t find out the problem. I looked at the ground and it looked good but when I watched your video today I double check and it was loose. I grind the rust off and boom my lights work again. Thank you
3 years later and this video is still helping out💪🏽💪🏽. I had some dirty plugs, I just cleaned them and I’m good now💪🏽💪🏽🙌🏼
Awesome 👏 😎
Thank you for this video. 2005 Yukon had a similar problem and with your video I was able to do a similar fix. Gracias!
That’s awesome Jesus. Glad you got it working. 👍
I've been searching the internet for months and finally found your video, I'm having the same issues with my 97 suburban. IDENTICAL problems. Soon as the weather breaks I'm crawling under there and finding that ground or similar one. THANK YOU BUD
Glad I could help Doug. 😀
As soon as I saw your tail lights go dim I automatically suspected a ground issue like a connection with rust or corrosion underneath. After watching your video I was right. Very good video and detailed description. Great job and I'm glad you found the problem. Well at least you don't have to worrie about new circuit boards anymore because you replaced them. You should be good now for many more years to come.
Thanks Joe. Apparently I could’ve used you while I was troubleshooting the issue. I got there eventually, but it took me a while. Thanks for taking the time to comment.
THANK YOU A MILLION! It was the ground wire for me too i spent 3 days looking thru everything and buying new parts and I cleaned the rust off that ground wire it works like a charm now!
That’s great! Glad the video helped.
I've got the exact same problem with my 1992 GMC CK 1500 Sierra . I have tried to trouble shoot the problem several times. I removed my trailer hook up and I moved the ground to a cleaner location. It did half way work for a while, and sometimes they work some, but not near as bright as they should be. Tomorrow, I am going to go back under the truck and grind a place really clean to attach the ground .... thank you for your video !
Big thanks from Chicago 👍
You're welcome Mark. Glad to hear that you are a well grounded guy in Chicago!
I got the same truck with the same problem. Going to work on it tomorrow. Thank you for this video!
You’re welcome. Best of luck with your troubleshooting. I hope you get resolved.
I have a taillight issue a little different symptoms, but I think a ground reinstall is in order. Thanks for the video.
Had the same issues with my brake lights. An it was definitely that ground wire! Had to cut it back a half inch an clean it up like u said an worked out good! Video was very helpful! Thankx!
You are very welcome. Glad the video helped!
Have the same issue. Can't wait to check. Thanks...
Let me know if you get it resolved Clement.
Great video. Thanks for taking us through the process of following the problem.
You're Welcome JE.
I replaced the wiring harness because it was corroded but it didn't solve the problem. I'll check the bolt.
Let me know your outcome. Fingers Crossed 🤞
Thank for the video I have an 03 that has been having turn signal issues I was going to change the turn signal switch itself but now I have something else to look at first before I change that out. Never thought about the round wires but older trucks like ours it is a sure problem!
Glad it helped
Thanks a million cheap easy fix. It had ne going crazy
You're welcome Carl! I'm glad you were able to get it fixed.
You solved my problem thank you !!!!!!
Awesome Bobby! Thanks for commenting!
Thank you for this video , I have the same issue so I will look into it to fix the problem
You’re welcome Nora.
YOU ARE THE MANN!!!!!!! THANK YOU SO MUCH
I'm happy that it help. 😃
I just had this exact same issue, but mine was only intermittently on my 1990 Chevy K3500 Extended Cab 1-Ton 4x4 Dually. It took me forever to track down what the problem way because I never knew when it was going to happen, lol.
Nice video. I still have some questions, but I feel alot more confident to dig into my 88 Silverado tail light issue. Crossing my fingers.
@coeneschamaun1735 - Thanks! I trust your project will be a success!
Thanks for the info and direction...had the same problem and went looking for the ground connection In my case no connection the bolt rusted off the frame I had to take a ball pean hammer to knock the scale from the frame then wire brush the frame and ring connector drilled a new hole and now problem solved all the result of a rust belt truck thanks again!!!
You're welcome! Glad you got your tail light issue solved. Good detective work there Roger!
Gunna try it.... good video !
I hope it resolves the issue for you David.
Thx really helpful ☺️
Glad to help! 😉
Thanks for the video ima be checking the ground now that I seen your video
That is likely the issue Greg. Let me know if that fixes the problem.
Thank you for this video. I'm having this exact issue with my tail/turn lights. My truck has 404,987 miles. I changed the tail light circuit boards with no change. Tomorrow I'm going to check the ground.
I apologize for not responding sooner. Per your video, I did have a faulty ground. When I barely wiggled the ground, it came off the screw. I used my grinder to bare the frame, replaced the eyelet ring, & self-tapping screw. They work great now. I've had my truck since she was six(6) months old, so the ground had 400,000+ miles of corrosion. Thank you for your video!
+Marcos Guerrero. Did you ever get this issue fixed? Was it a ground issue?
I have same problem on 09 Silverado 1500 .going to try this, thanks and good work
@@BudsSmartHome will do
@@jef6678 Did it work? I am having same issue.
@@charlesgarrison3741 no my ground was fine. I had a short in steering column/ tilt area .really strange it stopped after moving the wires around
I was going crazy trying to figure out why my tail lights wouldn't work. The break lights worked and when I turned on the blinkers they would blink rapidly. I changed all the light bulbs and it did nothing. I came across this video and checked the ground connection and it was all rusty. I cleaned it off and like magic everything worked like it should.
Thanks for video!!!
You're Welcome Ryan!
Thanks for the info I have the same issue will try it tomorrow
I hope it solves the problem for you Hector. Let me know if you get it resolved.
Yes it did worked thanks once again
Great 👍
This helped me so much making a several hour diagnosing job into just a few seconds of fix time really appreciate the video
Great! Glad it helped.
I'm having this same problem with my 85 k20 looks like I'll be checking my ground wire again thank you
You’re welcome. I hope that takes care of your tail light issue.
Thank you soooooooo much. I was going crazy trying to figure it out. I watching this video I learned that it was also my ground wire.
Just purchased a '99 Yukon SLT and recently a very similar issue came up with my drivers side taillight. Bought new bulbs and tried a different circuit board yet the same issue persisted.
Got pulled over last night *no ticket* because of no drivers side taillight. Going to try the ground connection.
Thanks for this video....!!!
Regarding the video, you’re welcome. I hope it helps.
Thank you
You’re welcome
fantastic
Thank you 🙏
Got the same issue on my 07 duramax. Gonna check it out in the morning to see if it's ground. Was in body shop last week getting a new rear bumper and some paint/ repair on the right lower corner of the bed. Lady smashed it two weeks ago. Wonder if the body shop wiggled wires or whatever reason. We will see tomorrow. Good video here carefully explained
I trust you find the issue Tim. It sure sounds like a ground problem. My best!
A lot of good info. I have a 98 Chevy 1500 and the turn lights and running lights work but not the brake lights. Not sure what the issue is.
Thanks
You’re welcome.
Mine wasn't even connected! Thank you thank you thank you so much.
Rick Stone - you’re welcome. Glad it helped. Take care.
Don't forget to put dielectric grease on the ground connection to prevent future corrosion!
Good Tip! Thanks Kip.
You can also use white lithium grease on the connection and it will make it water resistant for the most part and it doesn't dry out eventually like dialectic grease.
I have a 98 Z71 has no left signal front or back but everything seems to work otherwise... I'll give the ground a shot before I start throwing money at relays...
Mine is no running tail lights....gotta get under it and check my grounding strap...thanks...
Question for anyone who knows. What is the CORRECT lighting configuration? Ie, what lights are supposed to be lit, and when? Since I have an electrical bug, my lights arent functioning properly, so im unsure what and when each light should be on. Include the front turn/parking lights also, if you know. THANKS.
What do I do to fix a taillight that is out when it’s NOT the bulb?
Would that ground be in the same place of a 1996 suburban
I'm not really sure thelastdon. The body design and frame structure on a 96 is the same so I would think that the location would be the same as on a 97.
Sometimes my daytime running light will not burn on passenger side & my turn signal on driver side will not flash. Would you suggest checking that ground?
@@BudsSmartHome Ok.. I shall & will keep you posted...
02 Silverado. 6 Ground points. Cleaned and Reattached. Solved my electric gremlins. I'm switching to LED's and the truck has been a tow vehicle. Freakin Towing Diodes on the rear. It's just 12 volts, what could go wrong?
Yes. What could go wrong?
Is my next step the grown wire I did everything the same.... now the grown wire I hope is that one 🙏 thank you
It’s likely the ground wire. Let me know how it comes out please.
@@BudsSmartHome I did the grown wire and keeps blinking (all lights from one side only)😏
My problem is when I turn my signal on ether way it’s like I have hazards on when I hit brakes the don’t work
My running light not working,same truck,what you suggest won't pass Delaware inspection
See my prior response
i have a similar problem with my chevy express van, its intermittent though which makes it weirder. also when they blinkers are flashing rapidly it does it with or without the headlights on. what happens is for no apparent reason both blinkers start blinking rapidly for a few weeks then itll stop for a few weeks then itll start again etc...been happening for the past couple years. all bulbs are new, pigtail harnesses in the rear are brand new, dont know whats going on, mechanic cant figure it out he said he checked all the wires, about to bring it to the chevy dealer but i know im gonna pay hundreds to fix a problem that is probably very minor
hugeCRSfan69 Are you sure the mechanic check the ground strap? If it were me I would detach the ground wire from the frame and brush the frame well and reattach it to see if that fixes the issue
That bolt on my 97 Sierra is pretty rusted, do you recall what size it is?
Sorry, I do not recall what size it was
Hey @buds could you possibly help me with a question about my 1988 2500
@@BudsSmartHome I'm having a issue when using my left turn signal and my front lights, sometimes both turn signals will work fine, most of the time with lights off. But as soon as I turn on low beams or high beams, I am unable to use my left turn signal
My truck is doing the same thing
Driver side running light don't work any suggestions
If your driver side running light is not working, there could be a few potential issues:
1. **Burnt Out Bulb:** The most common reason is a burnt out bulb. Check the bulb itself to see if it's still intact and functional.
2. **Faulty Wiring:** Wiring issues, such as a broken or loose wire, could prevent the light from working. Inspect the wiring for any visible damage.
3. **Bad Socket or Connector:** The socket or connector that holds the bulb might be damaged or corroded, preventing proper electrical connection.
4. **Grounding Issue:** Poor grounding can affect the electrical connection and cause lights to malfunction. Ensure the light has a good ground connection.
5 **Water Damage:** If water has seeped into the light housing, it could damage the bulb or wiring, leading to issues.
It's recommended to start by checking the bulb, then moving on to the wiring, socket, fuses, and switches. If you're not comfortable diagnosing and fixing the issue yourself, it's advisable to consult a professional mechanic or auto electrician to properly diagnose and address the problem.
Need help figuring out why no brake lights I just replaced circuit boards so have tail lights and when hazard on back passenger light works and turn signal but driver side doesn't work but tail light what is the solution or issue ???
It may be the switch under your brake pedal that is bad, assuming both brake lights are not functioning. Did you remove and clean the ground wire?
Would cleaning the ground wire at grelimn point get brake lights to work got new bulbs good new circuit boards in and got turn and tail light works but still no brake lights ?? Help please one of the last things to get done before road ready !!
I would recommend that you look at the ground wire first before assuming any other repairs.
1995 gmc sle my lift turn light when I put the light on my lift turn signal wont flash
Sorry to hear this. Did you check your ground wire?
I have a 1998 gcm seirra. So all my lights work perfect, besides my driver side tail running light. If I push hard on the clip or bulb it works. Everything is brand new in the back. How do u fix this problem.
Bryan- it may be a faulty lightbulb circuit board, or it could simply be that you have bad contacts in that lightbulb socket. It could be that the bulb itself is faulty. If it were me, I would start with replacing the bulb and putting a little bit of light bulb socket grease in prior to inserting the new bulb. If that doesn’t work you may want to pull the board and check it for problems, and perhaps replace it with a new one.
@@BudsSmartHome I have replaced the circuit board. But if I squeeze the circuit board the bulb works. Even tho its brand new. Think they sold me a crap circuit board?
Bryan Colson - Yeah it sounds like it could be a crap circuit board.
@@BudsSmartHome dam well I guess I will start with another new one then n go from there. Thanks for the help.
Bryan Colson - You bet.
Mine flash fast and go dim ill have look at my ground.
My tail lights won't turn on or brake lights. But my head lights work perfectly and the turn signals also..
Sounds like a circuitboard issue. I would start with checking the bulbs for the tail and brake lights. If they check out then you may need to replace the circuit boards. It might also be a wiring issue.
I cant find thr ground cable
Nelly.G Vargas try checking on the back of the truck we’re the hitch is at
I have a 1995 gmc sierra truck its beige
Nice! A thirty year old vehicle. It should be eligible for historical plates! 😃
Man I hope I'm missing a wire somewhere along the line, I just cleaned my ground surface and reconnected and still have no taillights and hyperflash on just the passenger side, no dash lights either... Very frustrating, haven't been able to drive at night for about 3 weeks now
I’m fairly certain it’s a ground issue. I think there is an additional ground near the front of the truck. It’s more than likely that you have a bad ground wire leading to the tail light on the left side, passenger side. Yes It can be very frustrating.
@@BudsSmartHome I'm curious why you didn't check the connectors to the tail light assemblies, before you went to the time and expense of replacing the tail light circuit boards? Also, when you say "you might have a bad ground on the passenger side", what specifically should be checked? Is there literally a pax and driver side ground cable location? I would've assumed it's only one actual ground bolt. Or are you checking for other corroded connectors, or a broken/damaged wire? I'm just not sure what I should be looking for. Thanks.
@@coeneschamaun1735 ~ Suffice it to say that I approached this with a trial and error approach. I just continued to troubleshoot until I found the source of my problem. My electrical troubleshooting skill is marginal, but following this experience I've learned that more times than not, vehicle light issues are associated with poor or bad grounds.
@@BudsSmartHome "marginal" trouble shooting skills....haha, says me with "non-existent" trouble shooting skills, HAHA. I sure hope I can figure this out, gonna try tomorrow.
@@coeneschamaun1735 - I hope it goes well!
Literally replaced everything just for my ground to be disconnected 😅
But you now have working tail lights, so it was all worth the effort. 😁
My 97 sierra has fast flashing bulbs when i apply the brakes
Could be one of three issues:
1- Faulty brake light switch: The brake light switch, located near the brake pedal, is responsible for activating the brake lights when you press the pedal. If the switch is faulty or misadjusted, it can cause erratic brake light behavior. Consider having the brake light switch inspected and replaced if necessary.
2- Wiring or grounding issue: Check the wiring harness and connections associated with the brake lights. Loose, damaged, or corroded wires can disrupt the electrical current, leading to abnormal flashing behavior. Similarly, poor grounding can cause electrical issues. Inspect the wiring and address any problems found.
3- Malfunctioning flasher relay: In some cases, a faulty flasher relay can cause rapid flashing of the brake lights. The flasher relay controls the timing and rate of the flashing lights. If the relay is malfunctioning, it can cause irregular behavior. Consult the vehicle's manual or a professional mechanic to locate and replace the flasher relay.
If you're unable to diagnose or resolve the issue on your own, it's recommended to consult a qualified mechanic or an automotive electrician. They will have the expertise and tools to identify the precise cause of the problem and perform any necessary repairs.
@Bud's Smart Home I should clarify the turn signals on both side front and back go fast when brakes are applied
I would start with the ground.
@Bud's Smart Home never drive at night...turned headlights on...does same thing as when brake applied
@@mike.6285 - If you have not already done so, remove and clean the rear ground strap on the frame. Sounds like a grounding issue.
I have a 1995 GMC Sierra. My turn signals work fine until I turn the headlights on and the left (drivers side)
Turn signal will no longer work , headlights back off, turn signals works fine
One of your headlights likely share a ground with one of your turn signals. Therefore a weak ground will only allow one component to operate at a time, not both. Clean and tighten this ground to start with and go from there. The most common ground location for Chevy trucks is on the firewall. Other common ground wire locations include the door hinge, fender well, and battery tray. In some cases, the engine block may also be used as a ground location.
@@BudsSmartHome Thank you so much. I’ll run them down in the morning and clean the ground.
Mine brake lights work turn signal work no running lights
Could be a bad ground. Did you clean the ground strap and connection point? That's where I would start.
@@BudsSmartHome the connector underneath the bumper driver side wire got caught in the chassis and was cut Brown wire is park yellow is reverse other is brake black is ground. Brown was cut .
@@BudsSmartHome now I have 1500 no blinkers 😆 can't find relay on Wall I really think it's just the turn signal switch 2008
Glad you found the problem.
Took too long and too jerky. Should have checked the ground first. the ground is always the biggest problem.
Thanks for commenting Stewart.