Why are the brake lights not working on my Silverado Sierra?

Lights on the trailer are standard, but all work when hooked up to friends F150. I had checked the fuses earlier today, they are all good. Im suspecting the multifunction switch on the column. It was replaced by the dealer before I bought the truck because of an electrical fault between the brakes and the signals.

Are there any brake lights on my truck?

Went to test the lights to the trailer yesterday, and everything works except the trailer brake lights. Running lights work, turn signals work, flashers work. Brake lights do not. Everything works correctly on the truck (all three brake lights). I have checked every fuse up front that was labeled TRL. All have continuity.

Why is my brake light and turn signal not working?

@chevy88burban, Katelyn , Switch or replace the bulbs from one side to the other to ensure it is not the bulbs, check the bulb sockets for any corrosion/burnt/damaged contacts.

Why are the brake lights on my GMC Sierra not working?

GMC Sierra Questions – Why won’t my turn signal and brake lights on the rear of the truck wor… – CarGurus rear turn signals and brake lights don’t work. no power in yellow wire all the way to the firewall. everything under dash works right, looks right, indicator lights work and front lights work fine.

Why are my turn signals and brake lights not working?

– CarGurus rear turn signals and brake lights don’t work. no power in yellow wire all the way to the firewall. everything under dash works right, looks right, indicator lights work and front lights work fine. No they don’t. 13 people found this helpful. Thank you so much! It was broken wires in the steering column.

Are there any brake lights that work on a 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.

How do you turn on the brake light on a Chevy Silverado?

Back probe the switch terminals with a test light. Only one of the switch terminals should turn on the test light. When you depress the brake pedal, both switch terminals should turn on the test light. If only one of the wires turns on the test light, unplug the switch and jump the two connections at the connector.