Easy to follow wiring diagram simplify wiring your dual electric fans. RED to 12VDC Positive Battery Terminal, COFFEE to Fan Positive, BLACK to Ignition, GREY to Sending Unit per wiring diagram. Direct replacement part fits 10, 12, 14, and 16 inch cooling fans
Temperature switch turns on fan approximately at 185 Degrees and Off at 175 Degrees. The temp sensor has a 3/8 inch pipe thread, and a 1/2 inch adapter included
This electric cooling fan thermostat kit comes with everything you need, includes 40A relay, wiring harness, thermostat switch, 3/8 inch to 1/2 inch adapter, inline fuse holder, 2 20amp fuse, 1 spade connector for the temp sensor, 8 ring terminals, and 4 wire connectors
The thermostat supplied with this kit is OE style to mount in the cylinder head of the engine or any water jacket if needed. The thermostat MUST be grounded through the threads to the engine in order for it to work, and the engine MUST be grounded
If you intend to mount high-profile fans, you could crimp or solder bigger wires to it. The 14AWG wires (15 amps) are not bigger enough for high amps draw

Product Description

Voltage: 12VDC
Temperature: Approximately 185'F On - 175'F Off
Thread Size: the temperature sensor has a 3/8'' pipe thread, and a 1/2'' adapter included
How to use: Connect the color-coded wires per the diagram (product image 2)

The thermostat supplied with this kit is OE style to mount in the cylinder head of the engine or any water jacket if needed.

The thermostat MUST be grounded through the threads to the engine in order for it to work, and the engine MUST be grounded.

Please note: If you intend to mount high-profile cooling fans, you could crimp or solder bigger wires to it. The 14AWG wires (15 amps) are not bigger enough for high amps draw.

For reference: 12 Gauge - 20 Amps; 10 Gauge - 30 Amps; 8 Gauge - 40 Amps

If you want to turn on the fans when A/C activates, you would need an additional relay kit and follow the steps below:

Connect the RED wire from the A/C relay to the grey wire (sending unit) of the original fan relay harness
Connect the GREY and COFFEE wires from the A/C relay to the ground
Connect the BLACK wire from the A/C relay to the +12 volt of the A/C compressor clutch wire

Activate Temp	Approximately 185'F On - 175'F Off	Approximately 185'F On - 165'F Of

Package Included:

1x Wiring Diagram

2x 40A Relay with Wiring Harness

1x 3/8" Thermostat Switch 185'F On - 175'F Off

1x 3/8" to 1/2" Adapter

2x Inline Fuse Holder

2x 20 Amp Fuse

1x Spade Connector for The Temp Sensor

8x Ring Terminals

4x Wire Connectors