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Third brake light not working.

(1990 Oldsmobile Cutlass Ciera)
in Somerset, NJ on December 28, 2010
Third brake light not working. Have changed the complete unit. Where can I buy the wiring harness it plugs in to
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Popular Answer
on December 28, 2010
make sure it is the hearness first. have someone depress the brake pedal and see if you have power to the socket. if you do, then it may be as simple as a bad ground.
a few simple checks can save you a lot of headaches.

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