fantomaz Member May 12, 2009 #1 Quick question: On a 2004 with the old, dual fire thunderheart module, what color wire is the pulse (trigger)? Thanks in advance...
Quick question: On a 2004 with the old, dual fire thunderheart module, what color wire is the pulse (trigger)? Thanks in advance...
bdmridgeback Low Down Chop Shop May 12, 2009 #2 Yellow! Green goes into the EHC as pin position #20 to signal the tach ring yellow wire from the tach ring going into the EHC as pin position #21. Yellow wire runs in a separate harness and runs direct to the coil and not through the EHC.
Yellow! Green goes into the EHC as pin position #20 to signal the tach ring yellow wire from the tach ring going into the EHC as pin position #21. Yellow wire runs in a separate harness and runs direct to the coil and not through the EHC.