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- Wed Aug 05, 2015 11:59 am
- Forum: General Motors
- Topic: 05 efan upgrade activate pcm pins
- Replies: 0
- Views: 4847
05 efan upgrade activate pcm pins
Has anyone activated the 2 pins on the PCM? Can I activate using TunerPro software? Have a 03 Tahoe and want to switch to efans instead of the clutch fan setup.