84 How To Bypass Fan Relay Please Help Corvetteforum Chevrolet 4 wires coming out of my 1984 corvette fan relay. pull the top radiator shrould off and clean and flush. clean and flush cooling system. make sure you have good flow from the water pump. stop trying to redesign the system and fix it! reply like. It's important that the primary fan wiring is fusible because on start up the fan needs a boost to get going and you don't want a burn out in the wiring harness if your fan motor fails also don't put in a higher amp fuse 20 amp is sufficient if everything is ok with the wiring, relay and fan motor.
84 How To Bypass Fan Relay Please Help Page 2 Corvetteforumођ [quote=pezter22;1589798103]on my '84 the previous owner installed a toggle switch to turn on the fan because of an overheating problem. i installed a new aluminum radiator, new head gaskets, new relay, new 190 degree temp sensor, new fan switch, 180 degree thermostat, cleaned the debris up front and removed that dang ugly toggle switch. Remove disconnect the switch circuit. there is an ign run fan fuse (3a) in the fuse panel that feeds the original engine cooling fan relay (under brake booster assembly) circuit (ckt 115 0.35 dk blu). at the cooling fan relay, disconnect the relay and connect ckt 115 (con 351) to con 902 (3.0 blk red), which runs directly to the fan. 2011 3 1 7:58. bought my son an 84 vette and as soon as you turn the ignition on the fan starts. replaced the relay, no joy. disconnected both the a c pressure switch and the engine temp switch, fan still runs. disconnecting the relay does stop the fan. measure the green white wire going into the relay and it goes straight to ground, but if i. Wiring instructions: 1985 1989 b4p option equipped corvettes. cut the dark green white wire at the inner fender well. connect one of the new harness wires to the dark green white wire. route the other harness wire to the main fan relay (near the battery). locate the dark green white wire at the relay connector.
84 How To Bypass Fan Relay Please Help Page 2 Corvetteforumођ 2011 3 1 7:58. bought my son an 84 vette and as soon as you turn the ignition on the fan starts. replaced the relay, no joy. disconnected both the a c pressure switch and the engine temp switch, fan still runs. disconnecting the relay does stop the fan. measure the green white wire going into the relay and it goes straight to ground, but if i. Wiring instructions: 1985 1989 b4p option equipped corvettes. cut the dark green white wire at the inner fender well. connect one of the new harness wires to the dark green white wire. route the other harness wire to the main fan relay (near the battery). locate the dark green white wire at the relay connector. On a 84 corvette the temp sensor between cylinders 1 an 3 is for the cooling fan. all you need to do is ad a switch under the dash that will ground the temp sensor wire,tee in to the wire leaving it hooked to the sensor, this will ground the relay and turn the fan on, with the switch off the fan will work like stock. When i got my 84 vette the cooling fan comes on all the time when the ignition key is on. i want to fix this correctly however i will be installing a manual over ride switch in the car once i know the stock temp switch is working correctly. tested the relay and it does work as it should. 12v blue wire supplies current from ignition switch to.
84 How To Bypass Fan Relay Please Help Page 2 Corvetteforumођ On a 84 corvette the temp sensor between cylinders 1 an 3 is for the cooling fan. all you need to do is ad a switch under the dash that will ground the temp sensor wire,tee in to the wire leaving it hooked to the sensor, this will ground the relay and turn the fan on, with the switch off the fan will work like stock. When i got my 84 vette the cooling fan comes on all the time when the ignition key is on. i want to fix this correctly however i will be installing a manual over ride switch in the car once i know the stock temp switch is working correctly. tested the relay and it does work as it should. 12v blue wire supplies current from ignition switch to.
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