What would cause the main brake lights (tailights) on a 2000 Chevy Silverado not to work while the cab brake lights work?

Asked by Agman9095 Dec 29, 2015 at 09:58 PM about the 2000 Chevrolet Silverado 1500 LT Extended Cab Stepside 4WD

Question type: Maintenance & Repair

The main brake lights (taillight)  on my Chevy Silverado do not light up while the cab brake light does.  I have changed the bulbs and checked all fuses.  Any ideas anyone?

2 Answers
46,155

Michael answered 8 years ago

I would start by checking to see if there is power at the bulb ( ie. testlight). If not start inspecting the wiring harness and quick disconnect plugs located under the truck bed along the frame, these can be traced from the tail lights back. It could even be a broken wire in the harness.

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Dale answered 5 years ago

Check the brake light switch underneath the dash...it has a button that works off the brake pedal arm

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