Wiring Automotive Electric Fans
American volt sells 12v automotive electric radiator cooling fans thermostat switch kits auto fan relay wiring harnesses adjustable thermostat controllers.
Wiring automotive electric fans. For this set up we also used two of the speedway universal electric radiator cooling fan part number 910158 which comes in a 10 12 14 or 16 inch diameter. A three pin connector indicates a two speed version. Wiring is the area in which some car crafters. It can support one or two fans and uses a simple relay circuit to turn them on.
The quality of the components the detailed step by step instructions ease of installation and the spot on technical staff made wiring this car a breeze even with a variety of aftermarket accessories. The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method. The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan. The electric fans with only two wires in the connector are the less desirable single speed units.
The color coded diagram below will correspond with the wires on the relay kit to help simplify the wiring process. 87 red wire connects to the positive wire on the electric fan. Extra consumer same as 87 recommended wire sizes. Consumer fan 12v 87b.
Recently i completed a very high end restoration on a 66 chevelle in which i installed one of your complete wiring kits. 30 other red wire needs constant 12 volt power from the battery. Or in an 84 to 89 240 you may use the a c power on wire. Simple fan relay wiring the above image is a very simple and basic fan wiring diagram.
Electric fans also allow quicker warm ups and cool downs longer water pump life less fan noise improved air conditioner performance and improve gas mileage. A relay kit our part number ccfkrl will include everything you need to properly wire up your electric cooling fans with the exception of additional wiring needed to complete all of the circuits. For a quick guide in measuring your vehicle to get the best flex a ltie electric fan please click here. 86 gray white wire goes to the ignition switch.
Fan power and ground. It s unlikely you would have room for both but you should never run a mechanical fan with an electrical fan on the same side of the radiator. Optional 2nd relay overrides temp switch. Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay tab 87.
12v switched wire to green wire at a c clutch. The switch can manually turn the fans on or off.