Heavy Duty Electric Fan Wiring Kit With Thermostat Relay And Temperature Sensor Switch For Radiator Cooling, 40 Amp Waterproof Relay Kit, Color Coded Wires And Step By Step Diagram, Fits 10 To 16 Inch Fans, 185 On 175 Off

Heavy Duty 40A Fan Relay Kit for 10-16 inch Radiator Fans
✔️ 1 kit includes relay, wiring, fuse, sensor, and diagram

This heavy duty wiring kit powers and controls electric radiator fans with a thermostat switch. It’s a straightforward add-on for 10-16 inch fans in cars and light trucks, with color-coded wires for quick, reliable installation.

✅ 40A waterproof relay included for reliable fan control
✅ Temperature switch activates at ~185°F and deactivates at ~175°F
✅ Temperature sensor uses 3/8 inch pipe thread (9.5 mm) with 1/2 inch adapter (12.7 mm)
✅ Color-coded wires: RED to 12V+, COFFEE to Fan Positive, BLACK to Sending Unit, GREY to Ignition
✅ OE-style temp switch mounting, must be grounded through engine block
✅ Inline fuse holder with fuses, plus 1 spade connector, 4 ring terminals, 2 wire connectors
✅ Fits 10-16 inch fans; dual fan setups require two kits

💡 What is a radiator cooling fan wiring kit used for in a vehicle cooling system? A handy way to control electric fans based on engine temperature.
- Improves engine cooling by turning the fan on at a set temperature
- Reduces fan idle running time to save power and wear
- Provides a clear wiring diagram and color-coded wiring for easy setup
- Works with 10-16 inch fans and 40A relays for reliable operation