Code 82, no spark?

Tiny
WILLIAM JARMAN
  • MEMBER
  • 1994 GMC TRUCK
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 215,679 MILES
Brand new distributor. Brand new coil. But I cannot get an RPM signal to the ECM. Tried also replacing ignition control module and still no spark.
Saturday, May 13th, 2023 AT 2:07 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

The code is a transmission code related to the 1-2 shift solenoid, so that isn't related. As far as the no-spark issue, are you getting power to the coil? There should be a pink wire from the ignition switch providing power with the key in the start or run position. See pic below. Check that and let me know if power is present.

Let me know.

Joe

See pic below.
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Sunday, May 14th, 2023 AT 8:54 PM

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