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but were afraid to ask: 
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66healey
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I have just finished converting my car from positive to negative ground, and now my tach doesn't work! I followed the instructions listed on Hendrix wire wheels web site, and everything else seems fine. I believe that I blew a diode in the tach, as the instructions have you reverse the power connections to the unit and what was originaly the ground connection has a diode connected to it. Any one else had this problem with this conversion? If so, any idea of the part number for the diode?
thanks
thanks
