why does brake lights stay on when truck is started and goes off when you press brake 94 sierra

Asked by Oct 01, 2013 at 12:09 PM about the 1994 GMC Sierra 1500

Question type: Maintenance & Repair

2 Answers

140

prob faulty brake light switch

140

i am in the uk so carnt help you a great deal normally the switch is by the brake pedal sounds like a faulty switch try disconnecting one wire lights should go out if do not might be wire going down to earth then lights would stay on all the time hope you can sort it cheers

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