View Full Version : tachometer on gmc
06-19-2007, 07:03 PM
hey i got a 88 gmc with a 350 and i was wondering where i run the wire off my tach too? thanks
06-19-2007, 07:09 PM
the negative size of the coil. some distributors even have a place that says 'tach'.
06-20-2007, 05:50 AM
alright thanks ill let u no
06-22-2007, 01:39 AM
do u no what colour the wire would be and what harness it comes out of
06-22-2007, 05:23 PM
if you have a grey connector its the wire next to the pink ignition wire(12 volts power). follow that wire along the harness if there is actually a wire there. there will be a tach lead connected to it. no wire then use a terminal connector to install a tach wire.
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