Derale Performance, Los Angeles, CA
800.421.6288 www.derale.com
WIRING OPTIONS
Switched - Utilizing an automotive rated thermostat or manual switch
There are a few options on how to activate (turn on) your new Electric Fan Assembly.
1.
Manual Switch - Install a switch in the passenger compartment and turn on Electric Fan as desired.
2.
Electric Fan Thermostat Switch
A.
Adjustable Thermostat - Allows an adjustment range for you to determine optimal turn on temperature.
B.
Pre Determined Temperature - Thermostat has a pre determined temp. from the factory that determines turn on temp.
Important:
When purchasing a thermostat always consider the maximum amp draw. Some thermostats are not designed to
properly handle 25 amps.
Note:
When installing the Electric Fan with a Thermostat always follow manufacturer's instructions for specific details. In some
cases you will not need the supplied relay harness.
(Page 2)
INSTALLATION
1.
Using a table or workbench, lay the Electric Fan Assembly on a flat surface, Electric Fan facing down.
2.
Take the supplied Rubber Fan Shroud Seal and install it onto the bottom edge of the Fan Shroud Assembly.
(See Diagram #4)
3.
Cut off any excess Rubber.
4.
Identify the four Angel Brackets, 1/4-20 x 3/4” Hex Bolts, 1/4” Flat Washers & 1/4-20 Lock Nuts.
5.
Attach the Angle Brackets to the Shroud using two bolts per bracket. (See Diagram #5)
In some applications where the radiator flange is not right up against the fan shroud, longer bolts can be used to
Note:
space the Angle Brackets. (See Diagram #6) Hardware not included!
6.
Position the Electric Fan Assembly against the radiator in the desired location.
7.
Using the remaining 1/4-20 x 3/4” Hex Bolts, 1/4” Flat Washers & 1/4-20 Lock Nuts, attach the Electric Fan Shroud
Assembly to the radiator. (See Diagram #5)
In some cases the radiator flange may have to be drilled for proper alignment.
Note:
Diagram #4
Fan Shroud
Assembly
Rubber Fan
Shroud Seal
OPTIONAL
MOUNTING
Fan Shroud
Rubber Fan
Shroud Seal
Angle
Bracket
Provided
Diagram #6
1/4” Bolt
Radiator
Flange
1/4” flat
Washers
1/4” Nyloc Nut
Diagram #5
1/4” Flat Washer
Fan Shroud
Slotted
Holes
1/4-20 x 3/4”
Hex Bolts
1/4” Flat Washer
