Ignition problems
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Ignition problems
First let me say glade to be here and apart of this forum. I have a 1983 Bronco, 351w, 2 Barrel carburetor. It ran fine never a issue. It died and would not restart. It turns over but has no spark. I took ignition control module to AutoZone and it tested good. So I bought a new coil figuring that was the problem. Still no spark. Need help please
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From: SE Georgia
First let me say glade to be here and apart of this forum. I have a 1983 Bronco, 351w, 2 Barrel carburetor. It ran fine never a issue. It died and would not restart. It turns over but has no spark. I took ignition control module to AutoZone and it tested good. So I bought a new coil figuring that was the problem. Still no spark. Need help please
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Everything looks clean and the wires are all taped and cased. I was told that there is a ignition switch on the steering column down by the brake pedal could this be the problem or do I need to unravel the wiring also under the top distributor cap is only the rotor nothing in the lower cap the only wires that go to the distributor are the coil and spark plug wires
Fleet Mechanic
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If so, that sounds like one of the EEC-III-driven electronic distributor setups, where a computer figures out spark advance, and tells the ICM when to fire the coil. The distributor is empty, except for the rotor, and some of those rotors and matching distributor caps had a look of their own. I had one on a '83 Lincoln 302. The engine timing was picked up by a crankshaft position sensor, which was mounted in a bracket down near the harmonic balancer. Behind the balancer was the "star wheel", a 4-pointed wheel, that the CPS picked up the points on as they went by. A V8 fires a cylinder every 90 degree turn of the crankshaft. In mine, there was no adjustment of the distributor possible, it was keyed in. The computer took it from there. Worked fine. Only did long term maintenance of plugs/wires/rotor/cap.
I have a EVTM that covered the car system, but its all packed up somewhere due to house renovation and other things going on, otherwise I'd check it out and see if anything struck me that could help you out.
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Okay heres the news it was a fuse. You were correct I have a Duraspark III. It has a crankshaft sensor underneath the alternator checked ohms on it. It was good so I moved to the EEC relay. One of its wires gets its power though a fused wire from the ignition switch bolted to the steering column. The wire was hot at ignition switch so I checked my fuses. Thank you for all the help
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