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Re: 1983 MBZ 300TD A/C comp.
Posted to Technical Discussion Forum on 8/8/2005 1 Reply

The pushbutton control unit feeds the evap temp sensor from pin 6 through a black with red trace wire. The bat voltage signal passes through the evap temp regulator to term 86 of the compressor relay. Term 85 is grounded.

Term 30 of the relay is powered by f... Login to read more.

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