6 Volt Electric Fan Relay
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Q & A
What's in the Box
- Heavy duty 20 amp relay
- Will handle the start-up draw of a 6 volt motor
- 5 terminals
- Mounting tab
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This kit lets you make any electric fan thermostatically controlled. Just turn a knob to change activating temperature from 170°-240° F. Complete kit includes adjustable temperature control, 2' capillary tube, wire, terminals, and instructions.
All electric fans and related components are 12 volt only.
910-64014 Instructions (PDF)
You can use this voltage reducer to operate 6 volt DC motors and fans on 12 volt DC. Ceramic insulator with embedded coil and screw-type terminals. 1.5 ohm resistance, 4 amp max load, 25 watts. Mounting stem has 7/16"-28 threads.
Not to be used with gauges, radios or other electronic items. We recommend part 910-64101 for gauges.
This easy to use cooling fan relay kit includes a labeled wiring harness, 40 amp relay, fuse holder and coolant sensor. Available with 185° on/165° off or 195° on/175° off. Works great with the Spal Pulse-Width Fan Controller.
- Relay wiring kits are a must-have when installing an electric fan
- Designed to safely integrate with OEM wiring
- Waterproof 40/50 Amp relay
- Printed wires (for ease of installation)
- 3/8" NPT (National Pipe Thread) stainless steel switch
- Optional switched override capability
Use this handy 40 amp relay to wire up your 12 volt horn, electric fuel pump, electric fan with sensor, shaved door handles, or whatever! Contains relay, plug, wire, and instructions.
The wiring would be as follows (included in kit instructions):
- Red Wire #30 Prong = main 12V power source
- Black Wire #85 Prong = Electric fan sensor OR low (oil) pressure switch OR grounding switch
- Blue Wire #86 Prong = 12V toggle switch OR ignition switch "ACC" terminal
- Yellow Wire #87 Prong = to fan or fuel pump + lead
- White Wire or Center Prong = not normally used
This voltage reducer allows the use of an original 6 volt heater blower and switch in a vehicle converted to 12 volts. Safer and much more reliable than the less expensive ceramic type voltage reducers. Compact 1" x 1" x 3" size occupies little space. Reducer works with up to 10 amps of continuous current draw.
Note: This reducer generates a fair amount of heat when in use. It should be mounted to a non-flammable object, preferrably near cool moving air while the vehicle is in operation.
910-64103 Instructions (PDF)
This heavy duty relay takes the heavy-amp load off the switch, thus preventing an overheated circuit and a possible wiring harness fire. Works well with electric fans and horn circuits too. 30 amp relay.
The wiring for the relay is as follows:
- Short Red Wire (from relay post 87) = power lead to horn or fan
- Long Red Wire (from relay post 30) = main power supply in
- Short Black Wire (from relay post 85) = makes ground connection thru a temp sensitive switch or a grounding horn button
- Long Gray Wire (from relay post 86) = connects to switched 12 volt power (like ignition switch) so horn or fan turns on/off with key
Includes relay, circuit breaker, wire, terminals and instructions.
This relay kit includes everything you need to power that big electric fan the right way. Includes a 96” 10-gauge load wire, 72” signal and feed wires, 60 amp MAXI fuse, holder, terminals and detailed instruction sheet.
American Autowire 70 Amp Relay and Plug w/ 12 Inch Pigtail Only
Help your vintage engine keep cool by adding an electric cooling fan to your radiator. Electric fans are far more efficient than mechanical engine driven fans because they free up horsepower and only run when you want them to (when used with a fan controller, not included). Plus, most electric fans can be mounted ahead of the radiator or behind the radiator, with the more efficient location being on the engine side of the radiator.These powerful electric fans work with 6-volt electrical systems and draw 6 to 10 amps, depending on the size. The fan is supplied as a "puller" to mount behind the radiator, but it can be changed to a "pusher" by reversing the wires, flipping the fan blade and mounting in front of the radiator.
- Available in 12", 14" or 16" diameters
- Fans have 10 straight blades
- High impact plastic construction
- Sealed ball bearings for long life
- Can push or pull
- Works with positive or negative ground systems
- Includes mounting ears (straps not included)
For best results, be sure that your generator supplies enough current to power the fan. If it does not, check out our 6 Volt Alternator 91067169. It supplies additional current at idle to run electric accessories, unlike many factory generators. To learn more about the importance of using a fan shroud along with your cooling fan, read our tech article Radiator Cooling Performance.
*Relay and fan control sold seperately.