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Parasitic power drain

BackyarderBackyarder Pennsylvania Posts: 1
edited September 2018 in Dodge
I've recently developed a power drain coming from my power door lock circuit in my 97 dodge Dakota. Disconnected the switches, but still have the drain. If I pull the fuse it stops but then I have issues with the factory alarm. 

Answers

  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Pulling the fuse isn't the best way to do this. You can easily get fooled by various modules turning on and off. You might want to check out a YouTube video on doing a voltage drop test for each fuse, using a simple multi-meter that measures millivolts.

    You should also have a wiring diagram so you know what's on that circuit for that fuse and what's not on it.

    Tracking down parasitic draws can be tedious. You might try a "wiggle test" at the harness leaving the fuse box to see if that changes any readings.
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