Question about 1999 Cadillac DeVille

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Turn Signals do not work - 1999 Cadillac Deville

The dash turn signal indicator light will light up, but not flash. I checked the Front fuse bank 'Hazard' fuse and the rear fuse bank 'Turn' fuse. The signals just stopped in the middle of waiting to turn. They were flashing normally, then just stopped. I get the same problem when trying to turn left or right. If I put the turn signal 'on' and check the lights - they are all lit. I'm thinking it mght be the flasher relay (if that's the correct term) that actually controlls the flashing.

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Flasher relay is corect

Posted on Jun 03, 2009


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Signal light will not flash

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1 Answer

Turn signal indicator and turn signals not working.

You have a bad flasher unit. They are usually located under the dash adjacent to the steering column. They are inexpensive and can be purchased at any auto parts store. Just find it, unplug the bad one and plug in the new one and presto.....your turn signals and hazard flashers should be good as new!! Hope this helps and good luck.

Jul 07, 2009 | 1999 Cadillac DeVille

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Jan 17, 2009 | 1999 Cadillac DeVille

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Turn signal flasher module is behind dash left of steering column near chime module. I have a 94 Seville and I had that same problem you need a Turn Signal Flasher Moduel, I forgot the proper term for it but I had to get mine replaced too. When I hit the signals to turn the side light would come on but the signal light wouldn't. Its a little box you get from Cadillac it only cost like $20 - $25 and you get it installed and trust. It'll work again. I just got mine done this week and my car now has turn signals again.

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