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**kwmech** · 04-19-2014, 03:38 PM

Start the truck up and shut off the key, truck still runs, at that point unplug the alternator and see what happens. OR, first....see if there is voltage at the plus side of the coil before you start it

04-19-2014, 03:38 PM	#3
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,389	Re: 68 C20 Wiring Problem Start the truck up and shut off the key, truck still runs, at that point unplug the alternator and see what happens. OR, first....see if there is voltage at the plus side of the coil before you start it