Tail light problem- 94 Deville
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Tail light problem- 94 Deville in Past Cadillac Vehicle Discussion; On my 94 Deville, the top tail light bulb has both filaments lit when the brake is not depressed. I ...
  1. #1
    caddydaddy's Avatar
    caddydaddy is offline Cadillac Owners Connoisseur
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    Tail light problem- 94 Deville

    On my 94 Deville, the top tail light bulb has both filaments lit when the brake is not depressed. I can't figure out what it could be. Any ideas? I had just changed all the bulbs because the bottom bulb was out. The other two bulbs in the light are fine, just the top one has both filaments lit.

    Thanks!

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  3. #2
    Stoneage_Caddy's Avatar
    Stoneage_Caddy is offline Cadillac Owners 10000+ Posts
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    Re: Tail light problem- 94 Deville

    bulb may be in wrong , remove bulb and note the heights of each fo the two side pins that are on the blub's metal base . then note the hights of each of the two slits in the socket the blub goes into

  4. #3
    caddydaddy's Avatar
    caddydaddy is offline Cadillac Owners Connoisseur
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    Re: Tail light problem- 94 Deville

    Yep, that was it! I put the bulb in the other way and it works fine now.

    Thanks!

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