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Acparts.com. there phone number is wrong though. The last digit is a 6 and should be a 2. The compressor is Sanden u-4402

I guess because I'm a basic member of this site that I can't post pictures. There is no icon to attach pictures. The ac compressor goes on the driver side. Alternator is passenger side. There is a v-groove pulley that mounts on the crankshaft behind the cooling fan. It can be purchased from...

The military does use driver side mount. I'd show a picture but don't seem to be able to. How do you attach pictures?

Do you know where the other wire lead goes for the fording switch

Could you give any input on wiring for the single wire that connects to the pressure switch on the hose at the receiver dryer that is used for fording?

Hi. Does anyone know the wiring for the fording switch? It is the single wire in the cab unit and goes to the pressure switch on the hose at the receiver dryer.... But where does the other lead connect? I have a schematic but it doesn't show the one lead.

Hi. If you haven't found the pulley yet... Call Ringpower corp. They are a caterpillar dealer. I found one for my c7 for only $188.00

Hi all. I found a source for the ac compressor. The unit is sanden u-4412. It's right at $320.00 new. If interested I can give you the info

Does anyone have wiring schematics for the ac system? I an not sure where the connection /wiring goes from the accumulator dryer. My switch on the dryer is 3 pin? Any help would be greatly appreciated

Does anyone have wiring schematics for the ac system. I know it's pretty cut and dry.... But I need to know about the wiring from the accumulator dryer. My switch on the dryer is 3 pin... Not sure where it connects to. Any help would be greatly appreciated

Hi all. I've been reading your posts and comments.... I have a m1078a1 with 24 volt ctis. I have 5 lights on steady. From what I read it's possibly the controller. Or even an electrical issue in the pnumatic control unit. Do any of you have any knowledge about the possible causes?

Hi. I'm in the process of obtaining all the ac system parts. Everything is pretty easy to find. The auction site has a bunch. I noticed that some of you were trying to find the crank pulley. It's available at the caterpillar dealer. For my c7 its only $188.65. I didn't ask about the idler pulley...

Does the condenser unit have all the wires needed for installation? My binary switch has 3 prongs. I would hope that the condenser wiring harness would have the appropriate connector. Do you have any pictures of the connections?

Not sure the exact amount. I will ask my friend in the army.

Not sure what engine this is for but the part number for the v belt pulley is mfr-62534-rd-3-11669-0 My part number is 2981308. It's for a Cat c7

Sorry. I should have been more specific.... Ringpower is the caterpillar dealer. Just find a close one to where you live. Give them your engine serial number and tell them what your looking for.

I just wanted to say.... That ringpower sells the crank pulley. Its right at 190.00.

Anyone have knowledge of the ac system with serpentine belt??? I'm finding/buying parts but am just curious about the serpentine belt set-up

Very cool. Thanks man

Did you find a source for the dryer? http://www.oshkoshequipment.com/products/detail/33/5166/Air-Dryer-Major-Repair-Kit