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Power Strokes
7.3 Tech
electrical nightmare
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[QUOTE="Vader's Fury, post: 1120973, member: 473"] Disconnect the passenger battery completely. Make sure that all the doors are closed, the key is off, and everything is turned off(lights and such). Unplug anything that is plugged into a 12v source(cigarette plugs). Then pull the negative terminal on the driver side battery and hook up a test light between the neg terminal on the battery and the cable. If you have a power draw the light will come on. If the light is on, then pull individual fuses till the light goes out. If you pull a fuse and the light dims then leave that fuse out and keep going until the light is out. Then once you get the light to go out, insert each fuse that you left out individually. If the light comes on even a little bit, you have a draw on that fuse. That should help you to narrow down which circuits are drawing power. Then you just need to isolate the draw to the component on that circuit that is bad. [/QUOTE]
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