If at least one brake light works but one or two others don t troubleshooting is relatively easier than dealing with a circuit where none of the lights work.
Chevy colorado third brake light not working.
I changed the bulbs only to find out it still didn t work.
Cruise control on my 2005 chevy colorado stopped working when researching the problem i found my brake lights were also not working there is supposed to have been a recall about this however my dealership lithia chevrolet and george gee pontiac both say thier part was already replaced on the vehicle and they refuse to fix it again thus i.
Third brake light problem.
If all 3 brake lights are actuated by the same switch then i have another problem.
Third brake light problem.
I thought the 2nd switch on the brake pedal was for cruise control.
Third brake light problem.
If electrical current is reaching the switch but the lights are not working even if the switch is in good condition follow the current flow with your test light to the stop lamps and look for a possible open or short in the circuit.
So i found out my third brake light was not working.
Chevy truck forum silverado sierra gmc truck forums.
Blow fuse the first thing the mechanics check is the fuse corresponding to the rear lights.
If only the third brake light or the lower two lights work start by checking the circuit fuses first.
Are they actuated by a separate switch than the 3rd light.
I am having this issue with my 2005 colorado ls but my 3rd brake light is working only the main brake lights aren t.
As the rear lights are not connected they do not illuminate.
A blue wire connects the brake lights switch to the rear lamps junction block.
The two white lights that illuminate the bed work fine however.
When the fuse is blown it does not allow the circuit to complete.
The causes why tail lights not working.