Mar Fan Relay Wiring Diagram
Suggested electric fan wiring diagrams converting a 12 volt switch into a ground switch these diagrams show the use of relays on off sensors on off switches and on off fan controllers.
Mar fan relay wiring diagram. Output for a relay. If you want a normally open relay you will wire to 87. 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. Variety of hvac fan relay wiring diagram.
86 gray white wire goes to the ignition switch. If you want a normally closed relay you will want to wire to 87a. Fan power and ground. 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.
87 red wire connects to the positive wire on the electric fan. The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan. A wiring diagram is a simplified standard photographic depiction of an electrical circuit.