Mechanics

WHEN CHECKING THE INDIVIDUAL COIL PACKS DO I GO FROM THE TERMINALS ON TOP TO THE TERMINAL ON THE BOTTOM WHERE LONG SPRING GOES TO PLUG.

2003 Ford F-150 • 210,000 miles

Trying to make sure my diagnostics are correct
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LeonardElledge
February 7, 2012.



If coil is not firing blue
need to replaced
if not firing at all
unplug and check for battery positive on one wire and pulse - when cranking on the other

BMRFIXIT
Feb 7, 2012.