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- Sat Jan 20, 2024 9:34 pm
- Forum: General Motors
- Topic: Programming 03-04 Chevy cooling fans, beginner needs help/clarification
- Replies: 0
- Views: 1569
Programming 03-04 Chevy cooling fans, beginner needs help/clarification
Hello, I recently picked up electric cooling fans and the wiring harness for my 03 Suburban off an Escalade. Wiring them up wont be a problem but I cannot find a clear explanation of how to reprogram the PCM to operate the fans. I have a Tech 2 and have heard both ways that you can and cant use it t...