Car Electric ECU Control Dual Fan Wiring Connector Harness for GM 1999-2006 7L5533A226T

1. Pin your electric fan upgrade directly through the ECU and let it control the fans(ECU does need flashed).
2. Control your dual fan combo and comes wired with 05+GM truck plugs.
3. Avoid triggering your fans or using horrible probe thermostats.
4. Relays are rated at 40 amps, sealed and water tight;No corrosion on the terminals.
5. Effectively helps the fan to cool the engine.
6. OE: 7L5533A226T