Derale Performance Electric Fan - Manual (Page 2)

Dyno-Cool by Derale, Los Angeles, CA 800.421.6288 www.derale.com
THERMOSTAT PROBE INSTALLATION
Option 1
This kit includes two thermostat probe options.
Choose the option that best fits your application.
(See Diagram #4)
(See Diagram #6)
For best results we recommend installing the Push-in Probe as close as possible to the water inlet of the radiator.
(See Diagram #5)
1. Take the Push-in Probe and thread it clockwise onto the Thermostat Switch.
2. Carefully insert the probe/thermostat assembly into the fins of the radiator until Thermostat Switch is flush with radiator.
3. Install the 1 x 1 foam pad onto the Push-in Probe.
4. Install Retaining Clip onto the Push-in Probe until tight. (See Diagram #4)
Option 1 - Push-in Radiator Probe
Option 2 - Thread-in Radiator Probe
Placement:
Installation:
Push-in
Radiator
Probe
Down-flow Radiator
Option 2
Placement:
Installation:
Note:
Locate a 3/8” NPT port either on the radiator, waterneck, intake
manifold or cylinder heads.
1. Using Teflon tape or suitable sealant install the probe into the
on the vehicle.
2. Using a 3/4” wrench tighten the probe.
3. Carefully thread the Thermostat Switch clockwise into the Push-in Probe now
installed on the vehicle. Sealant such as Loctite can be used for permanent
installation. (See Diagram #6)
DO NOT TIGHTEN THERMOSTAT WITH A WRENCH, HAND TIGHTEN ONLY.
3/8” NPT
Thread-in Probe
Diagram #5
Push-in
Radiator Probe
Water
Inlet
Water
Outlet
Cross-flow Radiator
Water
Inlet
RELAY RELAY
Mounting
Surface
RELAY HARNESS MOUTING
1. Taking into consideration wire routing preference, choose a location near the
vehicles Battery or under hood fuse panel.
Avoid mounting near HOT engine components.
2. Using the Relay as a template, mark and drill a 5/32” hole in the desired location.
3. Using the #10 Sheet Metal Screw provided, install the Relay/Wire Harness.
(See Diagram #7)
(Continues on Page 3)
Diagram #7
Radiator
Foam Pad
Retaining
Clip
Push-in
Probe
Diagram #4
Thermostat
Switch
Thermostat
Switch
3/8” NPT
Thread-in Probe
Diagram #6
Water
Jacket
Water
Jacket