Hvac fan relay wiring diagram download.
4 pin relay wiring fan.
If you want a normally open relay you will wire to 87.
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Install a 10 gauge wire to the battery positive terminal with the use of a round electrical connector.
Wiring diagram comes with several easy to follow wiring diagram guidelines.
Find a spot to secure the relay with a screw or a bolt.
It is intended to help all of the typical consumer in creating a proper system.
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These guidelines will probably be easy to understand and implement.
Although most relays are labeled at the bottom you can always find the 30 pin set perpendicular to pins 87 and 87a for easy identification to the power source.
30 other red wire needs constant 12 volt power from the.
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Output for a relay.
87 red wire connects to the positive wire on the electric fan.
Where do the four wires of an electric fan relay go with relay numbers.
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Locate the relay in immediate proximity to the fan being used.
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