When ac compressor is jumped and running low side is about 20psi and high side is 110psi. Voltage measures about 5 volts when the key is turned whats.
Car Or Truck Air Conditioner Repair Bad Pressure Control Switch
4 wire ac pressure switch diagram. However with the pressure switch the pump can be adjusted to turn on and off at predetermined settings to control the pump and subsequent pressure. Ac pressure switch w4 wires isuzu n series gmc w series trucks 1994 2010 new ebay. I have wired up as follows. Without the use of the switch the water pump would always be on or off. This is a new pressure switch that has been built to exceed oem specifications. You can jump any of the three wires to keep the compressor in good condition.
By following a few basic procedures you can wire a pressure switch in a matter of minutes. According to expert maintenance tips it is essential to follow the previous readings in mind. The pressure switch is identical to the 1st picture showing bare and covered. Binary and trinary switches switches relays resistors breakers more trinary. However his ac is not working. Its shared with the intake door actuator the blower motor relay and also goes to sub fan and ac relay.
My dads got a 2007 renault megane 2 and he has just had his air con gas refilled. Ive had diagnostics on it and its showing df232. The late model tech 33107 views. Terminal 1 is power from fuse 22. Ive checked the compressor clutch and thats not engaging. Permanent live fuse 87 to relay 30 out to compressor live heavy gauge cable so just need to know about terminals 86 and 85 and what wires would go to the pressure switch as the markings are p and read more.
This switch will fit the following vehicles oem numbers. The connection sends 0 5 volts of pressure to the pcm fuse. Ac suddenly stopped working in my car cheapest air conditioner diagnosis and fix hot jeep xj duration. Per the wiring diagram the pressure switch has 4 wires. Trinary pressure switch with female fitting and 4 terminal 1224v normally open rd5 4583 0 71r 7550 1560 2601042 quantity add to cart sku. They checked the system for leaks and assured him that it was leak free.
You have to bypass 3 wire ac pressure switch from b1 to b4 to power up the compressor clutch. Check the pressure of the air conditioning system by attaching a low pressure gauge from a refrigerant recharge kit to the low pressure fitting located between the accumulator and the compressor and marked with a capital l according to aa1 car on an 80 degree day the low pressure gauge should measure 56 psi pounds per square inch or higher. 3 wire 0 5v ac pressure switch 07 03 2018 0446 pm. This video is about honda 4 wire switch.
Gallery of 4 Wire Ac Pressure Switch Diagram
