McDar Posted March 15, 2012 Share Posted March 15, 2012 Were the K series pickups positive or negative ground? I got a 41 half ton that has after market gauges but found a very clean original instrument cluster so want to make sure to wire it correctly. The present set up has an internal regulator alternator and 12v negative ground. I can use voltage reducers on the gauges but wonder about a source for the original sending units for temp, fuel, and oil. Thank you for any direction; Evan Link to comment Share on other sites More sharing options...
Guest 48international Posted March 18, 2012 Share Posted March 18, 2012 They were positive ground Link to comment Share on other sites More sharing options...
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