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Review on πŸ”Œ Efficient GM Dual Electric Fan Upgrade Wiring Harness for Enhanced Cooling - 1999–2006 ECU Control Kit by Shree Carmean

Revainrating 1 out of 5

Good enough for radio harnesses

Easy to install but no instructions included. The ground wires were too short, they had to be spliced together and a good foot of 8ga wire added to the negative terminal. This kit is for 2003-2004 models only. Both wires go to the ECU contacts. The white wire you see in the picture goes to the green side of the ECU on pin #33 and the greenish wire goes to the blue side of the ECU connector on pin #42. You will need hptuners to get them working. 4/5

Pros
  • Price
Cons
  • Not sure