The following are warning lights and indicators found in vehicles built by gmc.
Gmc brake lights stay on.
If your brake lights are on even when you re not braking the most likely culprits are a faulty brake light switch or a blown fuse.
If you re driving along and the brake warning light comes on or it comes on and stays on after you press the brake pedal there s no need to panic your vehicle has two separate brake hydraulic systems connecting the brake pedal to the wheels so even when you have a problem with one system you will be able to safely bring your vehicle to a stop.
When the problem is fixed the module will sometimes still stay on and it will need to be rest.
Check to make sure that the wires running to the wheel hub assembly these are the abs wires are not damaged in any way.
This is what i did to fix my problem.
The antilock brake system abs is controlled by its own computer.
Try disconnecting the brake switch by pedal and see if they shut off if they do it s the switch if they re still on you have a short and will need to start tracing curcuit disconnecting harness plugs starting from rear lights 6 people found this helpful.
If your brake lights won t turn off here s a quick fix for your problem.
Check behind the wheels on the ground with a flashlight.
Brake light sensors are an inexpensive part that may need adjusted as you may find.
These trucks came with a different style brake switch than the previous generations of chevrolet cars and trucks.
When it senses a problem the abs module on the dashboard will light up.
So what is that light on your dashboard.
Chevrolet truck brake lights stay on in 1988 general motors launched the fourth generation c k full size truck.
What follows is easily the most complete list available of symbols and warnings that may appear in and on your car s dashboard or instrument cluster.
Brake lights are intended to keep other drivers aware of you reducing your speed so faulty brake lights could result in accidents.
This is an easy process and takes a few minutes to complete.
On my 2008 gmc sierra 4x4 i was having problems with my brake lights staying on.