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Voltage Drop


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Yesterday I was running some new wiring for guage illumination. As I was check things I noticed the radio was no longer coming on. I pulled it and found that the constant 12V (pink wire) is now only .22V (yes, point 22 volts; probably back-feed?). I can't think of anything I did that might cause this except rustling some of the harness around.

Any thoughts? Thanks.

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No leaky master cylinder. Previous owner added SunPro gauges and did not bother with the illumination. I noticed there is nothing in the 30A CB slot in the fuse block. I would assume that would be where the 12V constant originates from. I guess there never has been. Where else could the pink wire be getting its power?

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