Wiring Dual Electric Radiator Fans 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. Page 5: installation instructions. green wire: connect the green wire from the relay to the ignition terminal in fuse box. for air conditioned vehicles, use be cool kit #75095. when air conditioning is activated, fans will turn on regardless of engine temperature. wiring instructions for optional a c wiring harness kit be cool part #75095 blue.
How To Properly Wire Electric Cooling Fans 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). then connect switched power (usually from your ignition switch), to the blue wires on both relays (tab 86). next, splice together both black wires from the relays (tab 85) and connect them to the thermostat switch. 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. Instructions for be cool kit part #75096gray wire: connect the gray wire from the relay to the temperature sendin. unit using the enclosed butt connector.black wire: connect the black wire to the eyelet. onnector and then to the chassis ground.connect a high amp toggle switch (be cool kit #75096) to th. Yes, you can. but it is risky. the electric cooling fan setup has a high amp draw on start up, which can blow the 30 amp fuse that protects the relay and wiring. most relays have a 30 amp fuse. if this fuse blows, the cooling system goes offline, meaning the engine will overheat. a dual fan setup with a large and small fan.
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