WebMay 11, 2024 · How do you change an AC high pressure switch? Step 1: Locate the A/C pressure switch. Step 1: Disconnect the negative battery cable. Step 2: Remove the switch electrical connector. Step 3: Remove the switch. Step 1: Install the new switch. Step 2: Reinstall the electrical connector. Step 3: Reinstall the negative battery cable. WebNormally you would check for voltage at the relay then the low pressure switch, then the compressor clutch. With the system charged or the low pressure switch bypassed you should have 12 volts at the clutch and ground. You can also check the clutch with an ohms meter to see if the magnet is open. Posted on Aug 25, 2012 answers
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WebJul 10, 2024 · There are a few things you need to know before you jump a 3-wire AC pressure switch. First, make sure that the power is off to the device that you’ll be working on. Second, identify the three wires that go to the pressure switch. One of these will be the sensing input, and the other two will be for the load. WebOct 25, 2024 · Let’s check out how you can bypass AC pressure switch –. Firstly, you will need two resistors of 1000-ohm. The color code for such resistors is brown, black, … exterior wood white paint
How to Jump 3 Wire AC Pressure Switch - Vehicle Freak
WebJul 14, 2024 · Discussion Starter · #1 · Jul 1, 2024. I’m driving a 2009 328 xit, build date of 10/2008. The static AND engine on, with ac engaged (light is on) are about 100 psi, both high and low. The 5 or 10 amp fuse labeled for ac is good. Is there a method to test the ac pressure switch and “valve” at the compressor to determine if the compressor ... WebJul 7, 2004 · The low pressure switch controls the a/c clutch on the compressor, the high pressure switch controls the radiator fan if the system pressure is too high. When the pressure in the system exceeds 500psi, it will blow out the freon from the blow out plug in the reciever dryer. Observe all warnings when dealing with freon. WebApr 26, 2024 · The AC pressure switch is responsible for controlling the activation of the compressor to avoid its damage due to very high or very low pressure. Auto Repairs Are EXPENSIVE The compressor receives a signal from the switch to stop running when the system has very low or very high pressure. exteris bayer