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Old 01-10-2019, 06:37 PM   #3
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Join Date: Apr 2008
Location: Md
Posts: 1,701
Re: New harness problems

I believe the dash cluster plug is 1 way, on mine...72...classic update...harness dash wiring is slightly different for oil pressure vs just lights..Different pages on the instruction sheet...check all your grounds, make sure you have solid clean contact for Frame, cab, front and back sheet metal....should also be a ground clip for dash bezel....also .Welcome aboard.
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