Starters and Ignition Systems
Mazda 626
Chevy 305
Late Model 1979-New Ford Mustangs

Why would the ignition coil module keep failing on a 1992 MAZDA 626?

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Wiki User
12/21/2006

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.