Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
I'll take a stab at this. Learning from Paul, do not say always or never. I think a secondary could damage a coil, however I think its from the primary. At the collapse of the primary ramp all that build up of energy with no place to go as in an open plug wire that's the most damaging to a coil.
Hope someone else comments. Would like to hear other views.
"an open mind let's knowledge flow in and wisdom flow out for a man who has neither never listens to those who have both".
Being wrong doesn't bother me, it's being right and not understanding why that does
A shorted secondary winding CAN kill an ignition module, reason being the interaction between priamry and secondary causing the current through the primary to raise. Have a read if you`re interested:
Try the link again, it should work now. AND: a shorted primary will kill a module as well.
(This is prob. one of the most edited posts on the whole forum, not sure why it was that difficult to get the link going :woohoo: :silly:
An expert is someone who knows each time more on each time less, until he finally knows absolutely everything about absolutely nothing.
Last edit: 3 years 9 months ago by juergen.scholl.
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