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
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