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.

1 people found this helpful.
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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