New Variable Speed Control

Part# 31165-VSC
Attaches to or near the electric engine-cooling fan. Senses coolant temp. via the radiator core and sets fan speed from 60% to 100%, depending on built-in fan thermostat setting. Thermostat range: 155 - 220 degrees Fahrenheit. Allows greater control over engine temp: reduces charging spikes and current load on charging system. 45 amp max. load. Directs fan to run for 30 seconds after vehicle is turned off.

Part#31146-A/C Relay
(20 amp rating)
Taps into A/C hot lead. Automatically engages fan when air conditioner is turned on, gives your system a head start on the added cooling demand (not required on Flex-a-lite fans with built-in A/C relays)

Part# 31147-Adj. Temp Sensor
(20 amp rating)
Turns fan on/off at the desired temperature. Dial-adjustable 180⁰-240⁰F. Gives the freedom to set one temperature for occasional high-demand use, then reset for highway or day-to-day driving.

Part# 31148-Aux. Illum. Switch
(15 amp rating)
For cockpit control or override of fan function. May be wired to actuate fan regardless of temp setting (end of a heat, or at the beginning of a hard pull), or -wired alternately - can be made to disable fan function, regardless of temp setting (for water crossings, etc.)

Complete End User Instructions for New Variable Speed Control

Part# 31149- Temp. Control Module

Wiring Instructions for Temp. Control Module