Gmc Sierra Third Brake Light Not Working

My interior light and cargo light bulbs work. Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. If your third brake light works either way but the rear brake lights stop working when the truck is on its a faulty ground wire to the stop lamp relay.

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Third brake light not working.

Gmc sierra third brake light not working.

Lol i haven t located a bad fuse. I m not sure if it s the switches in the door jamb a fuse or what. Chevy truck forum silverado sierra gmc truck forums. I m hoping for an oddly named fuse or relay.

Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay. Yes i need help brake lights work with doors open or closed with brake pedal on just the third brake light does not work when ignition is on and doors are closed. I think they are supposed to. Hi i just bought a 2009 chevrolet silverado 1500.

3rd brake light and cargo lights not working. I noticed the third brake light is not working. That s my next project. A blue wire connects the brake lights switch to the rear lamps junction block.

The possible reasons for brake lights not working but tail lights are. None of the lights come on when i open my doors. I can not interpret fues box lables to check fuses. The two bulbs under the dash do not.

I checked the following fuses for current. Interior fuses 12 stoplamps center high mounted stoplamp worked fine. Feb 23 2014 3 08am. 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.

2003 gmc sierra 3500 6 0 v8 gas. 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.

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