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1993 GMC Jimmy no spark and what is vcm

Tiny
TCPITT
  • MEMBER
  • 1993 GMC JIMMY
Electrical problem
1993 GMC Jimmy 6 cyl Four Wheel Drive Automatic

replaced fuel pump, coil, ingition motulator, new wires distribtor, plugs, no spark looked at your questions what is a vcm. Oh yes replaced map sencor
Tuesday, January 26th, 2010 AT 2:34 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Welcome to the forum, VCM is vehicle control module. Do you have primary voltage to the coil, pink wire, probably goes hot when you turn on the key. Are there any applicable trouble-codes?
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Tuesday, January 26th, 2010 AT 2:54 PM

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