wiring to the tack, need help

sleeperz28
09-21-2002, 12:36 PM
A buddy is currently converting his car to the LS1 coils on his LT1. He needs to know which wire goes to the factory tack, from the factory wiring harness. Anyone know:confused:

Thanks

Injuneer
09-21-2002, 05:17 PM
Tach signal is white wire from pin # 13 on connector #1 on the PCM.