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How to jump the ac low pressure switch on 2011 ford escape

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 508 Answers

SOURCE: I need to know how to jump the ac low pressure to get my ac compressor to come on.

If you look on the low pressure side of the AC system you will see a plug that is incorporated in to the line. It will have two wires leading to it. Remove the plastic clip that attaches the two wires to the sensor and use a short piece of wire to connect the two terminals in side the plug by putting the ends into the cap. This will bypass the low pressure sensor and allow the AC clutch to engage and begin to cycle again. Remember this low pressure switch is there for a reason. If you don't add more r-134 to the system and allow the AC compressor to cycle you will destroy the compressor. You need to charge the system when you bypass the low pressure switch and get the system up to full charge status and reconnect the switch.

Posted on May 24, 2009

co7196
  • 3433 Answers

SOURCE: I need a wiring diagram for the ac to find the high and low pressure valve and the compressor switch .

No you don't. The hi/lo awitch is on the tubing at the drier.

Posted on Jun 27, 2009

  • 594 Answers

SOURCE: Hello I have a 2000 Silverado

hook up manifold and open port valve (at hook up ends
make sure that manifold valve hi is shut open low side only
start engine switch a/c on max and blower motor to high and read pressures
its sounds like system is low (may have small leak) try to located with snifer
look for oily residue around conection or condensor(front a/c rad)
if you can locate have system evacuated to removed remaining freon
repair area if you can not locate leak have it evacuated and then charged
with nitrogen gas to 150 psi do not run system with nitrogen use soap and water
and spray entire system to locate leak will show up has bubbles repair and retest
if o.k. drain out nitrogen gas and vacum sytem to draw out any moisture if any major
component were change oil will need to be added to system they now have a flurecent dye
that could be added to system that will glow with black light next time system leaks
if it holds pressure and vacum you can recharged
some leaks are hard to find
just jumping the low presure switch for to long with system low will cause compresor failure
now if pressur all seems find low pressure switch could be faulty easy repair remove and replace
do not need to empty system

Posted on Apr 04, 2011

  • 7353 Answers

SOURCE: air conditioner won't work added

The low pressure switch turns on appox 26 psi. If the pressure is lower than that, it wont work, you have a leak.

Posted on Jun 04, 2011

airjer995
  • 5332 Answers

SOURCE: ac not working ac compressor not getting power

Check the a/c fuse in the under hood fuse block. If the fuse is good swap the a/c relay with one of the other relay that is the same part number in the fuse block. If the compressor still will not turn on than you will need a high end scan tool to look at the a/c data in the PCM.

Posted on Jul 25, 2012

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These will help.

Thanks.

Dec 06, 2012 | 2001 Ford Mustang

2 Answers

Ac compressor on 92 f350 wont turn on but system is charged


The most common issue with automotive ac not turning on when the system is properly charged is a bad low pressure switch. The easyist way to check is find the switch in the low side line unplug the 2 wires from the back of it and jump the two wires together. If the switch is bad this will turn the ac compressor on, caution should be taken when doing this because if the system is not properly charged and you force it on by jumping the pressure switch you can seriously damage the compressor.

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1 Answer

What energizes ac relay on 2005 freestar


The low side pressure switch in the AC low pressure line signals the PCM (computer control) to close the AC compressor relay and raise the idle speed. If the system is low on refrigerant charge the relay will not allow the system to engage the compressor, this is because the oil that lubricates all the works is suspended in the AC refrigerant, if that is low then the system gets no lubrication and will quickly seize up..

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1 Answer

Wher is my ac relay on a 1996 mustang


check the low psi switch and the high psi switch both will be on the lines you will have to look for them not sure exactly where low side may be on the accumulator try jumping them with a paper clip and see what happenes watch the pressures on the system because if pressures are to high or low you could damage the compressor or blow lines if either switch is bad it will cause computer to cut out the a/c clutch let me know how you make out

May 31, 2009 | 1996 Ford Mustang

2 Answers

I need to know how to jump the ac low pressure to get my ac compressor to come on.


If you look on the low pressure side of the AC system you will see a plug that is incorporated in to the line. It will have two wires leading to it. Remove the plastic clip that attaches the two wires to the sensor and use a short piece of wire to connect the two terminals in side the plug by putting the ends into the cap. This will bypass the low pressure sensor and allow the AC clutch to engage and begin to cycle again. Remember this low pressure switch is there for a reason. If you don't add more r-134 to the system and allow the AC compressor to cycle you will destroy the compressor. You need to charge the system when you bypass the low pressure switch and get the system up to full charge status and reconnect the switch.

May 24, 2009 | 1995 Chevrolet Camaro

2 Answers

AC low pressure switch, on 2002 ford F250,


the switch in my Haynes manual is shown open, 2 wires red/yel and blk/yel

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