ive checked main relay ive checked the dist. put my buddies dist on from running car still no spark... motor cranks over just no fuel or spark.. any ideas.. i was thinkin the harness is for a mpfi car and my car is dpfi... are the jumper harnesses different for dpfi and mpfi?? im soooo confused!! funny how i can build a 10 second eg but im clueluess on this wiring for my ef!!! someone help!!!

 

is ground wire from harness connected at the thermostat housing?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by raceready1320 &raquo;</TD></TR><TR><TD CLASS="quote">. i was thinkin the harness is for a mpfi car and my car is dpfi... are the jumper harnesses different for dpfi and mpfi?</TD></TR></TABLE> So you just slapped a jumper harness in without changing the chassis ecu pinnouts? That's your problem, Must Jumper harness assume you already have MPFI wired in at the ECU pins, and unless stated won't help out with DPFI.