hello I've got a 92 chevy with no spark from cap after she warms up. icm checked good anything I'm missing?

James Holliday

Asked by Dec 04, 2014 at 06:04 PM about the 1992 Chevrolet C/K 1500 WT Standard Cab LB

Question type: Maintenance & Repair

power from coil/ injectors spray

2 Answers


no spark from coil after starting or just the distributo or is the wires cracked and it happens to be contacting and then when the engine starts and shakes the conection is lost see if that is it then change wires


You describe spark available, and suggest it is supplied to the cap. But is it? You can have the wire from the coil, the high tension lead, suffering from an "open". High voltage systems can pierce through resistances very well, but they cook what they are passing through. It is also safe to say that the cap and rotor are subject to your inspection because the spark does not come out. The wire set needs to be high end quality, and the correct A/C Delco spark plugs work best. Reducing resistances in the secondary ignition is the key to longevity in Parts money wisely spent. This should Help you complete your diagnosis.

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