CHEVY COOLING FAN RELAY WIRING
Electric Fans and Relays
Terminal #87 for each relay will be attached separately to each fan with a 14-gauge wire. 11/11 Our test Chevelle will soon be fitted with a larger 2,800-cubic-feet-per-minute-pull fan for those
SilveradoSierra • Electric cooling fans not working
Jun 18, 2018Yes PCM sends ground to the relays to activate. There are 2 pins from PCM, and there should be a small 2 pin disconnect on the e-fan/headlight harness that comes out of the PCM and goes into the wiring harness about 8" away from the fans relay block.
How to Connect a Radiator Fan to a Hot Wire | It Still Runs
Run a 10-gauge wire from either the battery, if conveniently located, or from the positive lead in wire at the fuse relay box to the relay terminal that had power with the key off. Step 6 Run a 10-gauge wire from the opposite radiator-fan side of the terminal to the power wire on the radiator fan.
Wiring Dual Electric Fans - Speedway Motors
Feb 27, 2018The color coded diagram below will correspond with the wires on the relay kit to help simplify the wiring process. Start with taking both of the positive wires from the fans and run it to the yellow wires on each relay.
Troubleshooting Electric Cooling Fan Problems in Cars
Jan 23, 2019Troubleshooting a cooling fan that doesn't work can be a relatively straightforward task at times. Usually, the problem resides with the fan motor itself, a thermo switch, relay, wire, or (less commonly) the computer or module itself. 1 the Cooling Fan Actually Failed?[PDF]
Suggested Electric Fan Wiring Diagrams - DaveBarton
Aug 28, 2016PRIMARY COOLING FAN DUAL FANS (with Dual Relays) - SINGLE SPEED (ON/OFF) Using Ground Switched Devices Only for Primary Activation Using dual relays for two fans is not required. You could use one relay. However two relays will divide the load. And if a relay fails, you will still have one fan running. RECOMMENDED WIRE SIZES: 8-10 GA: FAN POWER AND
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