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The brake pedal switch is a common failure on these types, but first thing, verify up travel of pedal is enough to release switch plunger.06 tahoe. Pulled both brake light fuses, both stayed on. With engine off. Bad brake pedal switch? Brake lights wont turn off, so unplugged battery so it won't pull power.
Lights stay on when I pull plug on new switch. Lights stay on when I pull brake light relayCan unplug the brake light/stop light switch to check.
Even pulling the park lp and stop lp relays, fuses....the lights still stay onNot sure which "brake" fuses you're pulling, but did you pull the "VEH STOP" fuse from the instrument panel fuse block?
Brake light and tail light are out of the same bulb, the bottom red portion of my tail lights wont shut off. All 3, even one above rear hatch are on.Yea, there must be a wire crossed or rubbed thru somewhere that is supplying the power in a constant basis. You are sure it is brake lights and not tail lights, correct?
I wish i had a wiring diagram for you thats what you need-stop firing the parts cannon till you get one.A bad bulb would not cause the lights to stay on escpecially since you said they stay on with the brake light switch unpluged.So are you saying the parking lights are also on in the rear or just the brake light or your just not sure.With both brake light bulbs out the 3rd brake light is still on.Got new hazard relay, and multifunction switch. Lights are still on. Would a bad bulb cause them to stay on....what if they are the running lights not turning off? Front lights aren't on, jus back 3 running/brake lights...
I'm pretty certain they are the running lights. But all 3 lights are lit up, both sides and the top. Have pulled and checked all fuses and relays, even bought a new hazard relay. I'm down to thinking it's a bad connection, grounding out in one of the connectors. Jus gotta start testing emI wish i had a wiring diagram for you thats what you need-stop firing the parts cannon till you get one.A bad bulb would not cause the lights to stay on escpecially since you said they stay on with the brake light switch unpluged.So are you saying the parking lights are also on in the rear or just the brake light or your just not sure.With both brake light bulbs out the 3rd brake light is still on.
Running lights is a whole different problem then if the brake lights are all on.Unplug the headlight switch and see what happens.The 3rd brake light should have nothing to do with the running lights.I'm pretty certain they are the running lights. But all 3 lights are lit up, both sides and the top. Have pulled and checked all fuses and relays, even bought a new hazard relay. I'm down to thinking it's a bad connection, grounding out in one of the connectors. Jus gotta start testing em
I don’t remember running lights on top at the back.I'm pretty certain they are the running lights. But all 3 lights are lit up, both sides and the top. Have pulled and checked all fuses and relays, even bought a new hazard relay. I'm down to thinking it's a bad connection, grounding out in one of the connectors. Jus gotta start testing em