Derale Performance Adjustable Electric Fan Controller, Mechanical - Manual (Page 2)

Derale Performance, Los Angeles, CA 800.421.6288 www.derale.com
Warning: Installation of accessories should only be undertaken by those with mechanical knowledge and are familiar with working on
vehicles. Always use eye protection (goggles, safety glasses or shield). Park the vehicle in a well lit area, on level ground and apply the
parking brake. Only work on a cold vehicle that has been sitting overnight, failure to do so will result in severe burns and injury. Before starting
the vehicle, make sure no tools or any other items are left under hood that could interfere with or be drawn into moving parts of the engine.
Failure to follow instructions can lead to severe damage and personal injury.
WIRING
1. Disconnect the Negative (-) terminal on the vehicles battery.
2. Using the #10 Blue Ring Terminal provided, attach the Negative (-)
electric fan lead to a good Chassis Ground (-).
3. Using the extra Wire, Blue Female Connector, 20 Amp Fuse Holder and
Blue Butt Connectors provided, attach the Positive (+) electric fan lead
to the RIGHT terminal on the Thermostat Switch. (See Diagram #4)
4. Using the extra Wire, Blue Female Connector and Blue Wire Tap
Connector provided, attach the LEFT terminal on the Thermostat Switch
to a 12V Positive (+) Switched Ignition Source.
5. Reattach the Negative (-) terminal on the vehicles battery.
ADJUSTING THE TEMPERATURE
Adjustment range is 32°F to 240°F
Higher turn-on temperature: Turn the adjuster clockwise.
Lower turn-on temperature: Turn the adjuster counter clockwise.
Adjust the thermostat to desired setting by turning the brass
adjuster with a flathead screwdriver.
Knob not included. Note:
Positive (+)
Fan Wire
Chassis
Ground
Diagram #4
12V (+)
Switched
Ignition Source
Negetive (-)
Fan Wire
Thermostat
Switch
(Page 2)