The gray wire from the aic relay.
Electric fan cooling fan relay wiring diagram.
Electric fan relay wiring diagram wiring diagram is a simplified tolerable pictorial representation of an electrical circuit.
It shows the components of the circuit as simplified shapes and the capability and signal contacts between the devices.
Relays shown in these diagrams can provide options.
Most stand alone adjustable thermostats i e.
87 red wire connects to the positive wire on the electric fan.
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Hayden flex a lite or perma cool brands can provide a 12 volt output when activated.
Suggested electric fan wiring diagrams suggested primary cooling fan single speed on off using 12 volt switching devices only for primary activation note.
Electric fan relay wiring diagram by saum hadi posted on august 17 2017 electric fan wiring with switch and relay diagram aux fan relay wiring diagram base bimmerforums the ultimate bmw forum electric fan wiring with switch and relay diagram wiring a gm electric fan relay automotive schematic.
86 gray white wire goes to the ignition switch.
30 other red wire needs constant 12 volt power from the battery.