Headlight problems

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walkercreekbronco

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For some reason my hi beams quit working. I have the IPF lights with wiring harness from Wild Horses.

I checked all the IPF (ARB) relays, and they are all working. I unplugged the ARB harness from the Ford plug and found that the problem is in the original wiring. The IPF harness plugs into the old Ford headlight socket.

On low beams I have 12V between the black (neg) term and the middle terminal. Lo beams work fine.

When I switch to Hi beams, I have 12V between the black terminal and the hi beam terminal, but polarity is reversed. I'm going back out to the shed now to keep looking, but I was hoping that somebody had run into this before and could save me some time.

 

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