E36 Electric Fan Wiring Diagram

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E36 electric fan wiring diagram.

In this particular case it is for an electric fan which is more than likely the most common use. But keep in mind because you have no fan resistor there wont really be a low speed as far as the fan is concerned. This is a guide to wiring an aftermarket accessory. E36 electric fan wiring on off switch.

Hayden flex a lite or perma cool brands can provide a 12 volt output when activated. The fan is controlled by a simple on off switch placed in the cockpit. Wiring up electric cooling fans michael harding june 2017. For peace of mind and for use on dyno and track days i installed a manual fan switch inside the.

This is the finished product. Instruction for everything is included. Suggested electric fan wiring diagrams suggested primary cooling fan single speed on off using 12 volt switching devices only for primary activation note. This was a mediocre way of doing things primarily because the current required to spin the fan was drawn through the switch itself.

Applicable to all accessories. Another method in order to get the stock fan wirings low speed to work is to wire red and black together. Positive comes from the relay for the ground i just connected a wire to the aircon bracket both the fan trigger and positive wire run in a cable sleave. Diy e36 electric cooling fan and wiring.

I used the mishimoto electric fan controller probe kit along with a spal fan. Assuming youre using an aftermarket fan you want to wire the 12 of the electric fan to red and the ground to brown. A couple of decades ago it was popular to simply add a switch under the dash to control an electric cooling fan often referred to as an auxiliary fan.