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| F Series Forum covers questions and discussions regarding Ford F-150, Ford F-250, Ford F-350, Ford F-450, Ford F-550, Ford F-650, and Ford F-750. |
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#1
02-13-2004, 10:40 AM
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No Spark
I have a 1988 F150.. unknow miles. It was running ruff at times ...so I put in new plugs, wires, and fuel filter. Tried to put rotor and cap on but the bolts broke off holding distributor cap. So I had to replace distributor. All was well but now it will not start. I have no real spark. Replaced coil. And still a very weak spark that really only seems to fire when you turn the key off? And ideas?
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#2
02-13-2004, 11:07 AM
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Re: No Spark
Did you place it with the correct dizzy? Does the rotor turn inside the cap, and if so, does it have the same harness hookup in the cap?
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#3
02-13-2004, 03:37 PM
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Re: No Spark
Sounds like the ignition module is not getting voltage in the "run" position, OR the system ground is weak (this would explain a weak spark in "start" and none in "run" as you get more coil voltage in start than in run.
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