R rustyruststang5 Member May 9, 2011 151 2 17 Ne Sep 19, 2013 #1 Sep 19, 2013 #1 where is the best place to wire in the tach single wire off of my msd box? and please be specific with wire colors and where they are at. im working on a 1988 mustang 5.0.
where is the best place to wire in the tach single wire off of my msd box? and please be specific with wire colors and where they are at. im working on a 1988 mustang 5.0.
liljoe07 5 Year Member Feb 18, 2009 1,622 363 124 Cartersville,Ga Sep 19, 2013 #2 Sep 19, 2013 #2 Negative side of the coil. Its a tan/yellow wire, and its tied into the factory tachometer.