Cooling Fan Relay Wiring Diagram

I have had a lot of people ask me about gm radiator cooling fan diagnosis in the past.

Cooling fan relay wiring diagram. So today we are going to do the wiring part of the fan. Most stand alone adjustable thermostats i e. How to wire a relay for a radiator fan by don bowman when installing an auxiliary fan or simply wiring the factory fan so that the driver can manually turn the fan on and off make sure the fan is turning in the right direction. So we have bought a ford taurus 2 speed fan this fan had rumored to cool down the biggest and some of the toughest blocks around.

It basically runs two fans in series for low speed and then put s each on it s own 12v circuit for high speed. Hayden flex a lite or perma cool brands can provide a 12 volt output when activated. The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method. Spal accessories power door lock kits power window kits car alarms etc installation diagrams tech sheets.

Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay tab 87. It uses a 40 amp electric relay and electric fan sensor. A relay kit our part number ccfkrl will include everything you need to properly wire up your electric cooling fans with the exception of additional wiring needed to complete all of the circuits. Spal wiring diagram this spal fan wiring harness is designed for high output fans ap90 series 12v motors which have wires as directed in the wiring diagram and notes below.