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Old 10-15-2005, 08:03 PM   #9
Capri306
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Join Date: Sep 1998
Location: Grand Rapids, Michigan, USA
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Default Re: Car still wont start

How about we isolate the signal switching to the coil first? Easier and rules out a bad coil. All that's necessary is a 12V light bulb (I like the 194 series) attached to the coil's primary connector, and it will flash when cranking if there is the necessary switching occurring at the coil.

It's a little premature to jump to a bad computer, IMHO. Ford computers typically don't fail like that; there's usually some warning or they at least go into "limp home" mode. Let's isolate the ignition coil (are you even getting +12V on the positive side?), the ignition module, the pickup, the spark plug wires, ignition switch, and computer from each other. There are ways of testing each item, and it's kind of senseless to throw parts at it until it's fixed....unless you just like new parts a LOT.
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