How to Jump 3 Wire Ac Pressure Switch

How to Jump 3 Wire Ac Pressure Switch 1

If your car has an 3 wire ac pressure switch, you may be wondering how to jump it. Here’s a quick guide on how to do it. First, locate the 3 wire ac pressure switch.

It will usually be located near the air compressor. Once you’ve found it, disconnect the negative battery cable. Next, remove the two screws that hold the switch in place and carefully pull it out.

How to bypass ac pressure switch pt1

https://www.youtube.com/watch?v=mnysYTwLIZg
  • Locate the 3 wire pressure switch on your AC unit
  • Cut the power to your AC unit
  • Remove the cover from the pressure switch
  • Using a jumper wire, connect the two outside terminals of the switch together
  • Restore power to your AC unit and check to see if it starts up properly
How to Jump 3 Wire Ac Pressure Switch

Credit: vehiclefreak.com

How to Jump 3 Wire Ac Pressure Switch

Ac pressure switches are designed to turn the compressor on and off in order to maintain correct air pressure in the system. The switch is usually located near the compressor, and has three wires going to it. In order to properly jump the ac pressure switch, you will need a pair of needle nose pliers and a flat head screwdriver.

First, use the needle nose pliers to remove the wire cap from one of the terminals on the switch. Next, take the screwdriver and loosen the terminal screws. Once they are loosened, remove one of the wires from each terminal.

Finally, twist each wire around the other one clockwise, making sure that there is good contact between them. Replace the wire caps, and tighten down all of the screws.

First, Clip One End of Each Alligator Clip Onto the Corresponding Terminals on the Pressure Switch

If your model has a center terminal, clip one end of the alligator clip to this as well. Next, twist the two remaining ends of the alligator clips together. Make sure that the wires are twisted tightly together; otherwise, electrical current may not flow properly between them.

Finally, wrap a piece of tape around the twisted wires to secure them in place.

Then, Connect the Other Ends of the Alligator Clips Together

If you’re using alligator clips in a project, you’ll need to know how to connect them together. Here’s a quick guide on how to do so: First, take the two alligator clips that you want to connect and open up their jaws.

Then, fit the jaws of the clips around the wire or component that you’re wanting to attach them to. Once the jaws are securely fastened onto the wire or component, close the jaws of the clip until they’re snug against it. Now, take the other end of each alligator clip and fit their jaws around whatever other wire or component you’re wanting to attach them to.

Again, make sure that the jaws are secure before closing them tight. And that’s it! You’ve now successfully connected two alligator clips together.

Conclusion

If your car’s air conditioning isn’t working, one possible issue could be a problem with the A/C pressure switch. If you have a three-wire A/C pressure switch, you can try to jump it to see if that solves the problem. Here’s how:

First, locate the pressure switch on your A/C system. It will usually be located near the compressor. Once you’ve found it, disconnect the negative battery cable from your car.

Next, take a jumper wire and connect one end to the ground terminal on the pressure switch. Then, connect the other end of the jumper wire to one of the switched terminals on the pressure switch. Finally, turn on your car’s ignition and see if the compressor turns on.

If it does, that means jumping the pressure switch was successful and you likely just need to replace the switch itself.

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