Starting Problem, Need Help ASAP..
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New User
Joined: Sep 2010
Posts: 6
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Starting Problem, Need Help ASAP..
Ok, Im prolly missing something small but, over the course of winter, (Forward clutch pack let go, so put truck on back burner) my truck developed a mysterious no start. I've checked everything, rotor turning, coil, wires, everything, NO spark at plug... ?? Am I missing something, Im new to the wiring world so, any help would be great....Thanks 
P.S -> its an '80 351W F-150, C6,
P.S -> its an '80 351W F-150, C6,
Moderator
Joined: Jan 2001
Posts: 56,992
Likes: 2,741
From: Virginia
Any voltage at the coil +? Also put a testlight on the negative coil wire, and put the other end of the testlight on a good ground. The testlight should blink when you crank it, and you have voltage on the coil +.
Post Fiend
Joined: Nov 2005
Posts: 7,437
Likes: 4
From: Charles Town, W bygod Va
did you check for spark at the coil? if you have a blinking light on coil - and no spark the coil is bad. One problem with this test is that while cranking the battery voltage drops and it is hard to tell if the light is dimming or flashig
