Engine Size: 2.8
Country of Origin: Australia
Well I finally decided to get a ac kit from the local wreckers. It all looks good and have shown it to some ac installers and they say it all looks pretty good too.
I'm just having some problems trying to work out how to connect it up in regards to the wiring. There is a plug that comes out of the compressor and splits to some sort of pump mechanism and a another plug. I found a spare connection near the battery which would reach but its the wrong size, and i'm not really sure if it is actually for the ac. The pump mech I have hardly an idea where that is to go something to do with the idler??
The next connection is on the evaporator behind the glove box. only found one connecter near the plug on the evaporator and doesn't fit.
I hope my problem is easy to understand I attached some photos to help visually.
1. wide angle view of evaporated behind glove box
2. close up of evaporator and mysterious plugs
3. Basic layout of my engine bay with out the compressor sitting in it yet
4. plug, plugged in to compressor
5. plug found near battery that doesn't fit
6. close up of plug that comes out of compressor with pump mech.
Your "pump" appears to actually be a solenoid. I'm betting the rubber hose hooks to a vacuum diaphragm somewhere near the throttle linkage to give it a bit of extra gas every time the compressor cycles on to compensate for the load. I can't get more specific because I don't know that particular model at all.
Thanks for your reply, every bit of info helps with this puzzle
That part may only be relevant to a petrol engine. I think those simply opened a valve causing an intentional vacuum leak to increase the idle. Obviously a diesel would be different.
Are you sure there wasn't an extra harness? Often there is a little A/C wire harness that is part of the kit that ties everything together (between the evaporator and the parts under the hood). You may not have all the parts.
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