| [GMCnet] Check those Spares! [message #302147] |
Wed, 15 June 2016 18:38  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
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Senior Member |
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I just had the second call for today from a stranded GMCer.
His first call described a failed ignition coil. Installing the new spare
he'd bought several years ago didn't help. He was awaiting receipt of a
replacement ignition module. He wanted to know if I could think of
anything else he should be suspecting. We both figured the shorted coil
had taken out the module, so I couldn't help.
The latest call informed me that the ignition module didn't help. But
re-installing the "failed ignition coil" DID! Turned out, the module WAS
the problem, but to confuse things, his long-depended-upon spare coil was
BAD!
The big lesson here is one we tend to forget: When buying a spare, ALWAYS
install it and let the known-good old item become the spare. Especially in
these days of dubious quality control, it's a very important precaution.
Ken H.
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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