Car Ac Relay Wiring Diagram

The interior mounted switch only draws minimal power though the interior fuse block to activate the relay.

Car ac relay wiring diagram.

See below for an example of a relay wiring diagram. Every circuit added to a modern car should be run through an automotive relay. Hvac fan relay wiring diagram download. Ford fuel pump relay wiring diagram beautiful 8 best f150.

Red white wire at ac switch microswitch in dash. 12 volt wiring diagram best 12v relay pin 5 and roc grp org in. Looking at the diagram below as an example this is for a manual a c system from a chevy truck you can see that the black blk wire from the compressor depicted on the left lower portion of the diagram is the ground and runs through a ground distribution cell before grounding to the the frame or engine at g102. Or in an 84 to 89 240 you may use the a c power on wire.

A relay can be used to power a new circuit with very little added current draw on the original wiring. With the wiring plug still plugged in touch the jumper wire to the hot side relay lug from the controls as already identified and from the relay lug that feeds the a c compressor. To bypass the relay plug the a c back in. I go over what each contact of the relay is for and.

Instructions for wiring a standard automotive relay with descriptions of the pin out and the schematic. Make a small 6 inch jumper wire and strip both ends. Load and if a relay fails you will still have one fan running. Automotive relay wiring diagram collections of wiring diagram for drag car new relay wiring diagram best wire.

Automotive horn wiring diagram top rated wiring diagram car horn. Best bosch relay wiring diagram 5 pole electrical outlet symbol 2018. If your ac relay is found to be faulty they will be able to replace the ac relay if necessary. Cat heart diagram daytonva150.

Buy relays pigtails and kits here. Return to the relay. How to wire ac compressor clutch relay get the book at amazon. Using a relay can also shorten the distance.

Page 5 12v switched wire to green wire at a c clutch. 86 87 30 85 optional ac relay overrides temp switch and turns on fans when a c is turned on adjustable fan.