SOURCE: dash lights
check the fuses first, if they are ok then check the wires going to the instrument cluster
SOURCE: dash went crazy
I TOOK THE CAR TO THR DEALER IT WAS MY COMPUTER SECURITY SYSTEM BUT IS MAKE THE CAR DO A LOT OF CRAZY THINGS$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
SOURCE: 1988 sedan deville cadillac runs good until
Sounds like the battery is weak or the alternator isn't providing enough amps to keep the engine running and power the lights at the same time.
Testimonial: "thanks , it sounds logical. Should I replace the battery? The guy who owned it before me just replaced the alternator."
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