joe0508
Apr 01, 2014Explorer
tach signal
I have a 93 with a 454 tbi.Can anyone tell me where to locate the tach signal so i can tap into it.
joe0508 wrote:eHoefler wrote:It is not an hei ignition.It is a gm though.454 chevy engine.
If you have a GM HEI ignition, look at the distributer cap, there is a TACH terminal next to the BAT terminal. It takes a female spade connector from the underside. If you have a separate coil from the distributer, connect the tach lead to the -, negative side, of the coil.