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Old 08-28-2017, 03:57 PM
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Join Date: Oct 2007
Posts: 7,230
Looking at the 123 diagram, the power goes from the PBU to the coil terminals of the relay. When the relays energizes, power goes from there to the pressure switch and then to the compressor clutch. Again, that is for a 123, the 126 may be different. If they are the same, I may just run a wire directly from terminal 87 to the pressure switch and call it good.
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