Quote:
Originally Posted by parsonsj
The A/C pressure sensor is wired in at pins J3-21 (reference ground), J3-37 (reference 5V), and J3-57 (signal).
The PWM control wire is J3-64.
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Just did some investigating on an old OEM harness I have & all three of the pins mentioned above have terminals in them. They are colored as follows:
J3-21 - Black
J3-37 - Gray
J3-57 - Red with black stripe.
All three go to the same 3 terminal connector of the AC pressure switch.
Connector:
http://www.eficonnection.com/eficonn...spx?ItemId=910
Pressure switch: (wow $60)
http://www.eficonnection.com/eficonn...px?ItemId=1080
And J3-64 is solid blue.