Why are the tail lights on my GMC Sierra 1500 not working?
If you pull the headlight switch out and visually inspect the plug itself you will probably find that the withe wire and the brown wire are discolored. (Due to its intermittent connection they heats up) The female connector on both of those wires have lost one side of the clip that slides on to the headlight switch.
Are there brake lights that work on a 1998 GMC Seirra?
39 people found this helpful. 1998 gmc seirra brake lights turn signals and reverse light all work. Marker lights do not work. Brake light only with with head ligh switch off. I’ve cleaned and replaced all grounds changed the whole rear harness replaced bulbs boards does anyone have any ideas?
Why are the brake lights not working but the tail lights are?
Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. Remove the screws from the bulb lens (which you can access through the trunk or see your vehicle repair manual to get the exact location). Push the bulbs and turn them counterclockwise to remove from the socket.
Why are my rear running lights not working?
My rear running lights are the only lights not working. I’ve checked the fuses, replaced the circuit boards, replaced the bulbs, resurfaced the ground and tested the sockets. The rear running light plug is the only plug not getting power.
Why are the headlights not working on my Chevy?
A wiring issue will require a check of wires with a multimeter with the help of your vehicle’s schematics. Only the low-beams or high-beams work: If your headlights both work but only when the low-beams or high-beams are on, the problem is likely with the dimmer switch.
Why do the tail lights on my Chevy Cheyanne not work?
15 people found this helpful. 98 Chevy cheyanne, having the same issue as roger, my headlights, front marker, brake and turn signals work but rear tail lights do not work, I’ve trace no power up to the front connector under the brake boost.
Why are the head and tail lights not working?
The on-board computer turns on the tail and headlights according to the light outside the car. If it is dawn or dusk the head and tail lights will come on by themselves. The light sensors also switch off the daytime lights in some latest models. When the sensor is dirty or damaged it cannot tell if it is dark or day outside.
A wiring issue will require a check of wires with a multimeter with the help of your vehicle’s schematics. Only the low-beams or high-beams work: If your headlights both work but only when the low-beams or high-beams are on, the problem is likely with the dimmer switch.
Why are the brake lights on my Chevy 1500 not working?
My 1994 chevy 1500 brake lights, head lights, front parking lights and front and rear turn signals work……TAIL LIGHTS do NOT work…..have checked fuses and bulbs…..What could the problem be??? If you have checked to be sure there is 12V to the lights check further to be sure there is a solid ground path.
When do the brake lights come on when the headlights are off?
During the day the headlights are off and only the rear lights are used to indicate that the driver is applying brakes. The taillights come on when your headlights are on or your parking brake is engaged. The brake lights turn on when you apply pressure on the brakes.
What kind of headlights do GMC Sierra 1500s have?
2014 GMC Sierra 1500, Last night I got into my truck and neither my high beams or low beams would turn on in my truck. The fog lights, turn signal/marker lights, and tail lights all work.
Where to replace LED light bulbs on GMC Sierra 1500?
The contact stated that the vehicle was taken to varney Buick GMC Mazda (260 hogan rd, bangor, me 04401) where the bulbs were replaced under a technical service bulletin however, the bulb replacement failed to fix the failure. The contact stated that he replaced the bulbs twice with led bulbs however, the failure persisted.
What kind of brake lights work on a 1998 GMC Seirra?
1998 gmc seirra brake lights turn signals and reverse light all work. Marker lights do not work. Brake light only with with head ligh switch off. I’ve cleaned and replaced all grounds changed the whole rear harness replaced bulbs boards does anyone have any ideas?
If you pull the headlight switch out and visually inspect the plug itself you will probably find that the withe wire and the brown wire are discolored. (Due to its intermittent connection they heats up) The female connector on both of those wires have lost one side of the clip that slides on to the headlight switch.
2014 GMC Sierra 1500, Last night I got into my truck and neither my high beams or low beams would turn on in my truck. The fog lights, turn signal/marker lights, and tail lights all work.
15 people found this helpful. 98 Chevy cheyanne, having the same issue as roger, my headlights, front marker, brake and turn signals work but rear tail lights do not work, I’ve trace no power up to the front connector under the brake boost.
39 people found this helpful. 1998 gmc seirra brake lights turn signals and reverse light all work. Marker lights do not work. Brake light only with with head ligh switch off. I’ve cleaned and replaced all grounds changed the whole rear harness replaced bulbs boards does anyone have any ideas?
Are there brake lights on a GMC Sierra 1500?
1990 GMC Sierra 1500 4×4 No brake lights when headlight switch is activated. Also I have no reverse lights or tail lights. I’ve checked the wire harness at the tail end of the truck and I’ve got 12 v when headlights are off but when I turn them on it goes to 0.
Why are the brake lights on my Silverado not working?
The brake light is a dual-filament bulb so it is very possible the parking lamp side could be burnt out. As for the turn signals, do your hazards work? Front hazards work but not the rear. You probably have bad bulbs, hazards use the same bulbs as turn signals.
Why are the tail lights on my Cheyanne not working?
98 Chevy cheyanne, having the same issue as roger, my headlights, front marker, brake and turn signals work but rear tail lights do not work, I’ve trace no power up to the front connector under the brake boost. Someone has been in by the headlight switch I seen some bare wires that have been burnt off and splices installed not sure what to do next.
1990 GMC Sierra 1500 4×4 No brake lights when headlight switch is activated. Also I have no reverse lights or tail lights. I’ve checked the wire harness at the tail end of the truck and I’ve got 12 v when headlights are off but when I turn them on it goes to 0.
Why are the rear lights on my 91 k1500 not working?
I had the same problem on my 91 K1500. The most common reason rear lights of any kind will fail is rotted wires. They run through wire shroud from front to back along the inside of the frame to the left tail light. Running this way leaves them exposed to the elements.
Where are the brake lights on a C / K 1500?
There is a switch. I think on most C/K 1500/2500 it is on the brake pedal arm or the arm hits it. It is $5-$10; you might take ALL your truck data to the auto parts store, buy a new switch, then look for the same thing around the brake arm or under the hood. There’s a fuse. Find the fusebox and look for “brake”. The Owner’s Manual may have clues.
How does a tail light control relay work?
Step 11 – A tail light control relay is used to help shoulder the electrical draw many bulbs can cause on a single circuit, this task is carried out by the BCM (body control module). The headlight/running light switch is used as the trigger circuit which sends a signal to activate the relay.
1998 gmc seirra brake lights turn signals and reverse light all work. Marker lights do not work. Brake light only with with head ligh switch off. I’ve cleaned and replaced all grounds changed the whole rear harness replaced bulbs boards does anyone have any ideas?
98 Chevy cheyanne, having the same issue as roger, my headlights, front marker, brake and turn signals work but rear tail lights do not work, I’ve trace no power up to the front connector under the brake boost. Someone has been in by the headlight switch I seen some bare wires that have been burnt off and splices installed not sure what to do next.
What happens when your tail lights are not working?
When the tail lights fail or do not function properly the car becomes a danger or hazard to self and others on the road. You may receive a ticket or citation from the traffic police. Blow fuse – The first thing the mechanics check is the fuse corresponding to the rear lights.
Are there any headlight upgrades for GMC Sierra?
To avoid this, cancel and sign in to YouTube on your computer. For over a decade it has been our mission to discover the world’s best headlight upgrades through real-world testing and unbiased reviews. We know what it takes to improve nighttime driving safety by increasing brightness and maintaining a street-legal beam pattern.
What to do if your tail lights dont work?
There is a connector at the center of the back bumper. 21 people found this helpful. 2001 dually contractor bed front lights work properly rear light , stop lights hazard light signal lights , and parking lights doesn’t work, they gone, relay and fuses, relay and bulbs are good, how to fix them?
https://www.youtube.com/watch?v=mDDQZg77hFk
How can I tell if my headlamps are working or not?
The fog lights, turn signal/marker lights, and tail lights all work. I tried auto and on on the switch. I tested for power at the headlight fuse and did not have any with the headlights turned on. The light on the dash turns on indicating that the headlights are turned on. Any ideas where to look?
Why are the headlights always on in my truck?
Re: Headlights are always on and I cant turn them off. Won’t have any adverse effects. The light sensor in the truck is basically a variable resistor – the resistance changes based on the amount of ambient light.
The fog lights, turn signal/marker lights, and tail lights all work. I tried auto and on on the switch. I tested for power at the headlight fuse and did not have any with the headlights turned on. The light on the dash turns on indicating that the headlights are turned on. Any ideas where to look?
Why are headlights always on and I cant turn them off?
Re: Headlights are always on and I cant turn them off. I believe so because their is no resistance in the ambient light sensor when it is dark. In a sense it completes the circuit. Thats why you would put the resistor in. Re: Headlights are always on and I cant turn them off.
Why are the running lights on my trailer not working?
If there is no power on the running light pin then there is a break or loose connection somewhere between the connector and where it terminates at the front of the vehicle that you will need to track down. If everything checks out on the vehicle then the issue is on the trailer.
Are there running lights on a Sierra truck?
Running lights are on a separate fuse. This. My 15 Sierra popped both left and right signal + brake light fuses recently. There is 1 fuse for each side that does signal and braking. Running lights are on a separate fuse. But the truck lights work fine.