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Massey Harris & Massey Ferguson Tractors Discussion Forum
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Re-Wiring Air Conditioning for MF-690 - Help Pleas

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Author 
TomTX

06-21-2005 12:36:23




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My MF-690 has had someone "work" over the electrical wiring for the air conditioning system. They rigged it up to bypass the relay. The wire ends have all been cut, relay is missing, etc. I have ordered the relay from MF. The wires need to connect to the relay and run the twin condensor fans, run to low side pressure switch, high side pressure switch, and to compressor. I tried to buy an "air conditioning wiring harness" thru MF; only one in North America somewhere in Canada at a dealer, wants $200 for it. The harness does not have that many wires, and I have the exact wiring dirgram in MF Repair Manual. Questions are: how will I connect the wires to the relay? Where can I buy special ends, connectors, fuse holders, harness cover for the length of wire bundles, etc. for this project? Thanks for your help, and sorry for the long post. Tom

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