Question about 2002 Oldsmobile Alero

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Signal lights will work sometimes, but not others. Emergency flashers still work all the time.

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The signal lights and hazard flashers work off of separate plug in modules generally easy to get to under the dash behind the steering wheel area. With the blinkers on you can touch the module and feel the clicking inside. Look for a black or blue square boxy looking thing with three or two terminals coming out of it, about the size of a golf ball. One will be for hazards and one for blinkers. Ask at the parts store for the turn signal blinker module and then replace either one first to test to see if it corrects the problem and if it doesn't, put the old module back in place and replace the other with the new one (if they appear identical - interchangeable).

Posted on Sep 16, 2010

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