why don't my brake lights work on my 1973 oldsmobile cutlass?

Asked by May 19, 2012 at 10:12 AM about the 1973 Oldsmobile Cutlass

Question type: Maintenance & Repair

I have checked the fuses and the brake light switch

2 Answers

10

On every vehicle that i have had brake light trouble with, it has been a bad ground. Your taillights have a ground wire that goes to a bolt on your frame. The bolt rusts and then you lose connection. Chase wires til you find the ground, it shouldn't be far from the lights themselves.

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35

an easy check is to use an ohmmeter at the light socket and check for an open in the circuit. if all four have an open, its more than likely a ground. if it was a short, your fuse would be blown.

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