Having problems with your 1994 Pontiac Trans Sport ?

We just replaced the ECM on my 1994 Pontiac Trans Sport and solved the irregular starting problem. Still need to figure out why the radiator fan, automatic windows, interior fan and heater won't come on. Is there a relay that controls these items or a fuseable link? They all just quit at the same time.

Posted / edited by AnonymousUser on : 15-07-2019

Answers :

There are GM service bullitens for these problems on your year of car, suspect the BCM is the problem.
Repair Help & Product Troubleshooting for 1994 Pontiac Trans Sport

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