Unscrew the ignition coil(s) from on top of the module...(leave plug wires attached)....and set aside noting coil position on module....unplug module and replace with a known working module.If there is grease under old module...transfer it to new module.Replace coil(s) and start her up. TIP. While you are there,why not also change the crank sensor (if it not new).....it is THE trouble maker on these engines.
heater fan/ rear defroster quit working. I've checked fuses, fan works good. Resister checks out...
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heater fan/ rear defroster quit working. I've checked fuses, fan works good. Resister checks out fine, the one by the heater core. Replaced the modulator, the part with the buttons and fan slide knob that goes from low to high, It also seems to work fine. Scatching my head now what could be the problem.
Describe your 1992 Buick LeSabre Problemeat comes and goes i have great heat then i shut only the...
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Describe your 1992 Buick LeSabre Problemeat comes and goes i have great heat then i shut only the fan when i turn it back on there is no heat why?