E36 Electric Fan Wiring Diagram

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.

E36 electric fan wiring diagram.

This is the finished product. The fan is controlled by a simple on off switch placed in the cockpit. 3 series e30 316 83 to 88 316i 88 to 91 318i 83 to 91 320i 87 to 91 325i 87 to 91 also touring and convertible versions of these models 5 series e28 518 81 to 85 518i 85 to 88 525i 81 to 88 528i 81 to 88 535i 85 to 88 m535i 85 to 88 5 series e34 518i 90 to 91 520i 88 to 91 525i 88. Hayden flex a lite or perma cool brands can provide a 12 volt output when activated.

But keep in mind because you have no fan resistor there wont really be a low speed as far as the fan is concerned. In this particular case it is for an electric fan which is more than likely the most common use. This was a mediocre way of doing things primarily because the current required to spin the fan was drawn through the switch itself. Bmw electrical systems wiring diagram models covered.

Another method in order to get the stock fan wirings low speed to work is to wire red and black together. I used the mishimoto electric fan controller probe kit along with a spal fan. This is a guide to wiring an aftermarket accessory. E36 electric fan wiring on off switch.

For peace of mind and for use on dyno and track days i installed a manual fan switch inside the. Assuming youre using an aftermarket fan you want to wire the 12 of the electric fan to red and the ground to brown. Instruction for everything is included. Applicable to all accessories.

Diy e36 electric cooling fan and wiring. Bmw 3 e30 3 e46 528e e28 5 e39 733i e23 z3 e36 e37 bmw motorcycles wiring diagrams. Wiring up electric cooling fans michael harding june 2017.