Heartwarming Thermo Fan Switch Wiring Diagram

Wiring a single cooling fan.

Thermo fan switch wiring diagram. P no 0950 4 fan rotation and polarity davies craig fan models upstream downstream dcsl 8. 30 other red wire needs constant 12 volt power from the battery. The thermo fan switch is designed to control operation of the electric thermo fan s.

If the fan draws over 10 amps a relay should be used. Motor earth wire. A relay kit our part number ccfkrl will include everything you need to properly wire up your electric cooling fans with the exception of.

86 gray white wire goes to the ignition switch. 87 red wire connects to the positive wire on the electric fan. This video shows how an normally open cooling fan switch works.

Thermostat wiring diagram attic fan thermostat wiring diagram therm o disc thermostat wiring diagram house thermostat wiring. Connecting a single cooling fan is a rather straightforward system it relies on a separate temperature sender to switch the fan on or you can utilize the cooling fan output if you ve installed an aftermarket efi conversion. The thermo fan switch must be compatible with the vehicle engine management system.

Adjustment of thermal switch set too high. Suggested electric fan wiring diagrams converting a 12 volt switch into a ground switch these diagrams show the use of relays on off sensors on off switches and on off fan controllers. 85 black wire.

Blue or red. The in line thermostat switch is designed to thermostatically control the electric fan on a remote mounted transmission or engine oil cooler. I also show how i tested my cooling fan switches.