Alright, the previous owners did some electrical voodoo to keep the wipers functional, I have no idea exactly what, but the pictures below describe the wire and fuse I am talking about.

So, when I removed my battery earlier to give it a quick charge, I noticed a fused wire going over to the wiper assembly, connected to a yellow wire. If I remove the fuse, the wipers will not function.

I'm not certain, but I think this strange bypass might be what is draining my battery. Anyone know how to remedy this problem? I don't know where the yellow wire goes, or what it does aside from seemingly provide 12 volts to the wipers.

I don't like rigged wiring, and if possible I'd like to fix this, any ideas?

Pics:

 

The yellow wire supplies power to the wiper motor. I'm guessing there is a problem with either the factory wire or the fuse box that powers the wiper motor, that might explain the previous repair. The wiper switch provides a ground to different windings in the motor to provide the various wiper speeds. Unless there is a problem with the park switch in the motor I don't see how this could cause your battery drain issue. You could remove the wire from the battery and install it to a unused terminal on the fuse block that is powered with the key on.



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That's how I thought it worked, thanks for the info, guess I'll have to break out the multimeter and go chasing down bad wiring soon. Oh joy...

 

hey! at least he fused it close to the battery!