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I suppose this is a car component. The ignition coil could be burned due to high current flow through the primiry wiring for too long time (large dwell angle). If this is an old style mechnical point ignition system, check the point air gap for correct dwell angle. If this is a new distrubutor less system, the igniter should be checked.
Wiki User
∙ 17y ago
Wiki User
∙ 16y agoContrary to popular belief Ignition Coils rarely go bad. Obviously yours have. I suspect there is another reason yours keep failing. Are you sure it is the correct coil for your engine? If so, then I suspect it's location under the hood may be something to consider. It may be overheating due to it's location and has to be relocated or getting excessively wet in the rain. Is the main Coil wire seated properly in the centre of the Coil? Are your spark plug wires in good order? If they are after market they could be a defective set causing the Coil to work harder than it should. Correct spark plugs with the correct gap is very important. Go with the manufacturers suggestion for the spark plugs and not one of the many fancy kinds that are out there. If these are not the problem there may be a problem with its external wiring. Correct polarity must be observed when you attach the wiring as well you should check the wiring for cracks and frays. This would cause high resistance resulting in the Coil not receiving the correct voltage. Buy a new one and have a mechanic or the dealership install it. They may see the problem there where you do not and tell them your having this problem. They can do a quick check with their test equipment and tell you where things are going wrong, if it's the wiring. This is not an expensive repair but can be if the problem goes undiagnosed.
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I have had them fail due to heat. I used a certain dilectric grease on the underside to help dissipate the heat. If not heat, then possibly a poor ground.
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The 1991 Blazer has a current draw causing the wire to burn. You will need to trace the wiring out to find what is drawing too much current.
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Why would the ignition coil module keep failing on a 1992 MAZDA 626?
I have had them fail due to heat. I used a certain dilectric grease on the underside to help dissipate the heat. If not heat, then possibly a poor ground.
Why would a 1991 Chevy Blazer keep burning the ignition wire off the alternator?
The 1991 Blazer has a current draw causing the wire to burn. You will need to trace the wiring out to find what is drawing too much current.
