PROFORM Brushless Fan Variable Speed Controller
Highlights
- Adds Variable Speed to Fan
- Adjusts from 0% to 100% Speed
- Easy-to-Read Digital Display
- Connects with Simple Rewiring
PROFORM Brushless Fan Variable Speed Controller.
This Brushless Fan Variable Speed Controller (67039) transforms your fan from one speed to any speed you want! It takes your fan from 0% power to 100% power or anywhere in between, all with a simple push of a button.
Features and Benefits:
- Converts single speed brushless fan to variable speed operation
- Varies from 0% to 100% power in 1% increments
- Easy manual adjustment using a digital display
- Connects using 18" 12-volt (+)(-) wires
- Sold individually for single fan
This controller from PROFORM connects to your single brushless fan using 18" wires. It features a red (+) wire, a black (-) wire, and a PROFORM green wire. Installation requires very little modification. Once installed, you can view the power of your fan on a digital display and instantly change the power setting in 1% increments.
Please Note:
- Installation in the driver compartment requires the wires to be extended and plumbed through the firewall.
- Controller is NOT weathertight, requiring weatherproofing if installed in the engine compartment.
- Controller does NOT feature a thermostat/temperature sensor.
- NOT for use with a dual fan.
California Residents: Proposition 65 Warning
Related Categories: Mustang Engine, Mustang Fans & Fan Shrouds, Mustang Sending Units, Switches & Wiring, Bronco Engine, Bronco Heating & Cooling
Installation Difficulty

Novice skill is required for this installation.
Installation Instructions
Vehicle Fitment
This product will fit the following Bronco years:
This product will fit the following C/K years:
- 1988,
- 1989,
- 1990,
- 1991,
- 1992,
- 1993,
- 1994,
- 1995,
- 1996,
- 1997,
- 1998,
This product will fit the following C10 years:
- 1960,
- 1961,
- 1962,
- 1963,
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
- 1980,
- 1981,
- 1982,
- 1983,
- 1984,
- 1985,
- 1986,
- 1987,
This product will fit the following F-100 years:
- 1948,
- 1949,
- 1950,
- 1951,
- 1952,
- 1953,
- 1954,
- 1955,
- 1956,
- 1957,
- 1958,
- 1959,
- 1960,
- 1961,
- 1962,
- 1963,
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
This product will fit the following Mustang years:












