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DTC B1349 - Defogger Circuit Short To Power

WARNING: This page is about a different car, the 1997 Mercury Sable and 1997 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.

  1. Check Relay For Short

    Remove rear defogger relay. Measure voltage between ground and defogger relay harness connector pin No. 85. See Figure. If battery voltage exists, go to next step. If battery voltage does not exist, replace rear defogger relay.

  2. Check Fuse Panel For Short

    Unplug 19-pin harness connector from Generic Electronic Module (GEM), located in interior fuse panel. Measure voltage between ground and rear defogger relay connector terminal No. 85. See Figure. If battery voltage exists, replace fuse panel. If battery voltage does not exist, replace GEM and repeat self-diagnostics.
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