2007 Mack Granite No Power To The Ac Compressor

Sturgeon county alberta no photo. Ac is not working. Freightliner columbia 2007 ac compressor clutch wont engage freightliner columbia 2007 ac compressor clutch won t engage getting a constant 12 volt feed to the clutch but never a ground.

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Gearhead204 1825 posted september 9 2015.

2007 mack granite no power to the ac compressor.

A c compressor wont engage. 2007 freightliner m2 106 rear. I have a 2007 ch600 pinnicle and have had intermittent a c problems works then it doesnt i cannot find any marked relays or breakers anyone have this same issue. System is charged but compressor clutch will not engage.

Sivart88 posted oct 3. No power to the compressor when the switch is on. Can not get power to compressor. Diod you charge the a c if its low by that i mean if it needs a charge the compressor has a cut out switch inline with the power wire going to the a c compressor clutch it can also be referred to as a fuse depending on who you arer speaking with it is there to protect the compressor from burning out.

All switches have been changed and there s power everywhere but the compressor. Link to post share on other sites. I m working on a cxu613 mack and it has no power to the ac compressor. No power at compressor.

What can you do with a mack to get a few more puppies out of it. Any thing i m missing or do i need to start looking for a broken wire somewhere. It does engage if i jump it off a 12v source. I am not getting any power to my high or low switches or to my compressor and just replaced the ac pump still not getting any power or air bconnor92 jun 30 2017.

Here is the ac for mack ch units let me know which one is the type you have. I don t know if the mack computers can be reprogramed or not like the cat s and the cummins computers and engines. Used 2007 mack ctp713 a c compressor make. Air conditioner compressor brand.

I done pretty much all of it replaced ac compressor reciever drier. Ac problem no power to ac compressor discussion in western star forum started by 04. I got a 2003 mack vision w a 460 mack engine and a 13 speed. I have power in and out of hi and low pressure switches.

I want to get a little more horse power out of it. Sorry we got the truck and comp was wired to switch in dash we replaced comp. 2005 mack cv713 granite stock 2041 mack 2 a c compressors. I currently have compressor wired to a switch but would like to get it fixed right dealer has been no help with problem.