Volvo 2 Speed Electric Fan Controller

2 speed electric fan from volvo 940 volvo fan relay.

Volvo 2 speed electric fan controller.

The fan you need is from a 1990 s volvo 740 850 or 950 sedan or wagon. The 2 speed volvo fan and relays have become a popular swap. With the ability to adjust fan speed from 0 100 percentage as needed this pwm electric fan controller uses variable frequency duty cycle modulation and active fly back snubbing for highly efficient operation. I m running a 400 small block which runs hotter than most small blocks and the combination of the fan and controller are awesome.

Electric fan conversion projects. If you don t grab the harness you ll have a hard time hooking up the fan relay. I m running a dcc controller with a mark 8 fan in my wagon with factory a c. The 940 fan is the easiest to remove.

The fan comes on gently so there s so hard hit on the charging system. I was disappointed after i discovered that this controller actually acts as a 2 speed controller not as a true variable speed controller. Additional benefits include reduced fan speeds which means reduced fan noise which tends to compete with that sweet sound of your engine. The 2 speed volvo fans came with relay part 1398845.

Most commercially available variable speed fan controllers on the market are not designed to handle the heavy loads that come with a fan like the. Low speed is 60 and high speed is 100. Each unit uses active input voltage regulation to achieve low emi output. When you get the fan you ll need the relays and wiring that come with it.

It is held in with 2 bolts at the top and clips at the bottom. It has 2 speeds.