Checking the Control Module +54 Power Supply
Checking the Control Module +54 Power Supply
Turn the ignition switch to the ON position.
Take a voltage reading.
- 1 - STC
- B-
The value should be B+.
Checking the wiring harness
Jiggle the leads and in-line connectors at several places and in different directions to reveal intermittent breaks and short circuits in the wiring harness. Observe the multimeter, test lamp or diagnostic tool while doing this.
Is the function correct?
NO - Rectifying the Lead - III
YES - Final Check