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Old 03-16-2006, 09:27 AM   #2
86 GMG
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Join Date: Apr 2005
Location: Tulsa Oklahoma
Posts: 943
Re: Need info on installing a tach on a 84GMC K1500

green goes to tach connection on distributer white is a light source tie in to the headlight switch and red is power any power after ignition switch is on, and black is ground
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square body trucks an addiction or an investment either way they consume all my extra time and money
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