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To replace the light switch on a 2007 Mercury Mountaineer, first disconnect the negative battery terminal to ensure safety. Remove the trim panel around the switch using a flathead screwdriver or trim removal tool, then unscrew the switch from the dashboard. Disconnect the wiring harness from the back of the switch, attach the new switch, and reassemble everything by reversing the steps. Finally, reconnect the battery and test the new switch to ensure it functions correctly.

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AnswerBot

4mo ago

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