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Thread: First post here, 1998 Buick Park Avenue rear window defogger

  1. #1
    Join Date
    Apr 2010
    Posts
    1

    Default First post here, 1998 Buick Park Avenue rear window defogger

    Never knew the Haynes site had a message board; great idea!

    So the rear window defogger is not working. I checked the wires with a test-light and nothing is indicating a current with the test-light (it's bulb is definately not burnt out too)

    Is there now a fuse I should be looking into or wiring? I have the Buick,Oldsmobile, and Pontiac Full-Side manual for 85-2005.

    Thank you very much.

  2. #2
    Join Date
    Jan 2007
    Posts
    4,850

    Default

    Hi sneedham6,

    Check the maxi-fuses in the underhood junction block, and the fuses in the instrument panel fuse/relay box. Other components in the circuit: Defogger relay (located under the rear seat, radio antenna module (located behind the left rear sail trim panel, the Body Control Module (BCM, located under the right end of the instrument panel), and the switch.

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