Wiring Up Electrical Fans for Radiator (Video)

Relay for wiring electric fans to radiator

Relay for wiring electric fans to radiator

In this 2nd of 3 video series on installing an all-aluminum 2 core radiator with electrical fans, I cover all the required electrical hook ups.  This whole process is not hard, but I will say, it requires patience.

Temp sensor for wiring electric fans for radiator

Temp sensor for wiring electric fans for radiator

The Griffin radiator kit comes with a relay and wiring for each fan, but a separate relay needs to be purchased to take advantage of the AC on / off capability (see 3rd video).

The relays need to be mounted somewhere in the engine bay.  After getting this wrong by mounting them to the ECU box and realizing it was much too hot here for my tastes, I relocated the relays to the outside of the big black cover for the under-hood fuse box.  Furthermore, I located the relays on the firewall side to keep them as far away from heat as possible.

Fuse tap for wiring electric fans for radiator

Fuse tap for wiring electric fans for radiator

The relays (each) have 4 connections.  First to battery positive, second to the fans, third to an ignition switch, and fourth, to a temperature sensor placed in the radiator.  Having 2 fans required some “marrying up” of the wires, and for that, I used some homemade 3 way connectors.

Wiring Diagram for electric fans for radiator

Wiring Diagram for electric fans for radiator

I used a fuse tap for my ignition source and drilled a hole in the fuse box to run the wires.  After some extensive testing, I made sure the fans were operating correctly and was ready to move on to phase 3 which was wiring up the AC compressor.

 

 

So, check out the video, and be sure to check out my other videos, subscribe to my YouTube channel, and like and comment.   Thanks!