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'84 Ford F150/no fire


Old 11-29-2001, 10:30 PM
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Join Date: Nov 2001
Location: yukon,oklahoma
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Question '84 Ford F150/no fire

I own a '84 F150 It has a 300 inline 6.I don't seem to be getting any fire.I have pulled the #1 plug and put it on more than one place on the block and nothing.I then pulled the coil wire put the plug in it and still nothing.I have 2 wires going into the coil neither of the 2 have any spark.I can't figure it out.There is a silver box under my dash(computer box of some sort)may this be my problem?If so how do I check it out?
Any and every comment is appreciated.Thanks Kenny
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Old 11-29-2001, 10:52 PM
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Join Date: Apr 2000
Posts: 262
I had a similar problem once and it turned out to be the power supply. That aluminum box on the wheel well, drivers side. That is where mine was, but I had the 351. It could also be the coil. The coil is the cheaper of the two if you are going to use the trial and error method. Sorry I couldn't be more help, maybe someone else has a better idea.
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Old 12-05-2001, 03:23 PM
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Join Date: Jul 1999
Location: Pottstown, PA
Posts: 158
The coil is more than likely the problem, I would change that first. One other easy thing to replace is the small module on the distributor, can't remember what it is called at the moment.

If you are interested I have a 1984 Wiring Diagrams book for cheap.

Good Luck

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Old 12-12-2001, 03:35 PM
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Did you find the problem?
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Old 12-18-2001, 12:29 AM
Join Date: Sep 2000
Location: Mesa, AZ
Posts: 13
It could very well be the ignition module on the front of the distributor as mentioned above. This is a common item to go out on Fords, I been through several on 3 different mustangs. They are easy to change and cost usaully about $30. I've had some go out while driving and I've had some go out when I tried to start the car which resulted in zero spark, similar to what you described.
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Old 12-18-2001, 03:56 AM
Join Date: Nov 2001
Location: Edmonton Alberta
Posts: 90
Simular problem on 1987 crown vic coil or it might be the electroic ignition control module try coil first MSD blaster 2 is good little better power & economy
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Old 12-30-2001, 05:07 AM
Join Date: Dec 2001
Location: Washington
Posts: 98

Most common ignition problem with ford is the ignition
module on the distributer.Ford has a recall and has a huge
lawsuit about this problem.It's from the excess heat which
cooks the module.It's rare that a coil goes bad.You can check
the coil with an ohm meter, if it's bad it should read real high
or OL open line.
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