G 3500 1 Ton Van V8-379 6.2L DSL VIN J FI (1992)
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4. Checks for short to ground.
5. Checks internal transmission harness and force motor for high resistance.
Diagnostic Aids:
Check for poor connections at PCM/TCM and especially at transmission pass-thru connector. See: Testing and Inspection/Symptom Related
Diagnostic Procedures/Intermittents