- 38mm/1.5in hose adapter 2 stage ground switch wiring kit.
- Activates 2 fans separately at your 2 selected temperatures.
- Turn-off temperature is always 15 degrees less than turn-on.
- Sized by the outside diameter of the fittings outer raised lip.
- Harnesses include 30 amp relays, breakers and 14AWG wire.
- Installation wire diagram and pictured components included.