94 Pontiac Transport
Suggested Repair
Have the Body Control Module (BCM) inspected, as it was identified as the common module that could explain the multiple accessory electrical problems.
Conversation Summary
The owner of a 1994 Pontiac Transport reported several accessory electrical issues over six months, including an intermittent rear wiper, a passenger window that goes down but not up, failed cruise control, heater and A/C mode problems, dashboard warning lights that sometimes stay on, and occasional no-crank starts. The engine, transmission, brakes, and cooling system otherwise operated normally. The owner asked whether one common control module could explain the failures. The expert identified the Body Control Module (BCM). The owner then asked whether it is the unit beside the circuit breaker and relay panel under the passenger-side dash, but that location was not confirmed.
