Question about 1988 Oldsmobile Cutlass Supreme

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Trun signals not working??

I have checked for broken wires and frayed but no luck the blinkers work in the front but not the back the hazzards come on instead when you push the brake they freeze no flashing at all help!!!!

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You will have to replace the bulbs. there are 2 elements inside the bulb one is for the brakes and running lights and the other is for turn signal. if your fron signals work there is no problem with the circuit itself and your flasher relay is not bad. even though having both bulbs fail at the same time is uncommon, it's not unheard of. hope this helps. good luck

Posted on Aug 31, 2008

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Your rear signal lamps are turned on by the body control module (BCM).
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