Harbor Breeze 3 Speed 4 Wire Fan Switch

How to Wire an On/Inactive Switch for an Auto Cool Fan

by Justin Cupler

toggle image by Sergey Danilov from Fotolia.com

At times, your cooling fan stops working because a detector has gone regretful, but the fan whole shebang just fine. A way to get around this situation is to wire in an on and off switch. This switching works by eliminating the ground connection when it is switched "off" and reconnecting the ground when it is "on". The process of wiring this switch is relatively easy. You just need to know the correct steps.

Whole step 1

Locate a convenient footstep to mount the shift. A fresh place is somewhere dead of the way but still within reach. Clean that spot with rubbing inebriant and use the double-sided videotape that was included with the switch to hold information technology in place. Utilization a screwdriver to know in the self-tapping screws that were included with the switch to permanently hold it in place.

Step 2

Locate a 12-volt power source aside using the multimeter. A good source close to the switch is the cigarette light. Cut the magnate conducting wire leading to the lighter, then cut a half-inch of covering from either side of the cut.

Step 3

Cut a piece of wire that is long enough to hand over from the lighter to the change over and still be hidden. Track a 1/2" of cover from both ends of the wire, then attach a clip that was included with the turn on one end of the wire and agitat information technology into the 12-V input tab of the swop.

Step 4

Pull the two ends of the lighter wire and the other end of the switch wire and solder them victimization solder and a bonding iron. Tape the wires with electric tape.

Stone's throw 5

Cut three pieces of wire long enough to reach from the switch through the firewall to the head-on of the engine compartment. Murder 1/2" of covering from each end of both wires.

Step 6

Run the wires through the splasher, hiding them as well as possible. Remove the rubber plug in the firewall, then run the three wires through that hole and replace the rubber plug.

Step 7

Run two wires to the sports fan motor. Thin the power and ground cables from the fan motive. Remove 1/2" of covering from the positive and disinclined wires running into the rooter motor. Sequester one of the revolutionary wires to the positive wire and one to the negative cable and solder them together. Protect them by covering them with electrical videotape.

Step 8

Locate a body ground nether the tough of the vehicle. A dear way to locate a solid ground is to conform to the terra firma cable of the battery.

Abuse 9

Murder the ground from the body victimisation a ratchet and socket to tease apart the en. Connect the "middle" connector to the dying remaining telegraph using the wire stripper to crimp the connector. Put back the "eye" connector over the ground constellate on top of the ground cable, then tighten the nut down until it is secure.

Step 10

Attach the connectors that were included with the switch to the three remaining wires inside the vehicle, using the wire stripper well to crimp them along.

Tone 11

Plug the connectors to the corresponding tabs on the switch. The body terra firma connects to the ground input, the fan positive plugs into the 12-volt end product and the rooter negative plugs into the ground output.

Step 12

Test the fan by turn the car on and validatory it turns on and off As you change the trade.

Secure the wires using zip ties. Earnings special attention to avoiding moving parts and keeping your feet under the dashboard.

Tips

Things You'll Necessitate

Warnings

Writer Bio

Harbor Breeze 3 Speed 4 Wire Fan Switch

Source: https://itstillruns.com/wire-switch-auto-cool-fan-6795883.html