How To Wire A Electric Radiator Fan With dual cooling fans, there are two methods for wiring up the relay kit. this is based on the draw from the fans, if the fans are larger and draw more than 15 amps each, it's recommended to install a second relay kit as shown below. for smaller fans, both fans can be connected to a single relay as shown above, and the proper fuse should be. This video shows how to easily wire an electric radiator fan circuit into any car. this fan wiring diagram includes a fan relay, a temperature switch, and a.
Radiator Electric Fan Wiring Kit 87 (red wire) connects to the positive wire on the electric fan. 30 (other red wire) needs constant 12 volt power from the battery. 86 (gray white wire) goes to the ignition switch. How to wire electric radiator cooling fans using the alloy works relay and temperature switch kit. this kit can be purchased here: alloyworksplus. The simplest method of wiring an electric fan is to use a relay that is switched on and off by the ignition switch. this method works well to cool the vehicle but the drawback is the fan will be running constantly when the ignition is on. fan noise and added electrical system load will be present at all times. Start with taking both of the positive wires from the fans and connect them to the yellow wires on each relay. you will then need to run switched power (usually from your ignition switch, but modern replacement wiring harnesses usually have a fused fan relay trigger wire) to the blue wires on the relays. next, both of the black wires from the.
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