Question about 2000 Chevrolet Tracker

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Need to locate A/C compressor control module and A/C comp. relay on a 2000 chevy tracker. I am getting no voltage at comp clutch. If I jumper to battery clutch works fine and blower unit kicks out cold air, system pressure checks out OK.

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This is a year late.... but perhaps someone else is having some issue as this. I'm possibly in need of a NEW a/c compressor control module, I have a diagram of the removal procedure, which is by means of opening the glovebox, pushing in the left and right sides of the compartment and lower it to reveal the area the module is housed. So... I'm not sure it will solve my problem which is: my a/c compressor surges on and off every 20 seconds. Mechanic thought it was the compressor, so a new one was installed, but it keeps surging. Not to mention a weird aspect as well.....when the fan is "on" whether in a/c mode, defrost, or fresh air...my 4x4 light on the dash instrument panel near speedomometer flashes on and off when on. Turn off the fan, the 4x4 light goes off. Trying to figure out both of these now! Any help since your issue appreciated!

Posted on Nov 11, 2011

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The operation of the A/C compressor clutch is controlled by the body control module (BCM) and powertrain control module (PCM). The BCM receives an a/c request signal from the heater a/c control assembly through circuit 66. The BCM then sends a class 2 serial data message to the PCM through circuit 1807. Power for the a/c compressor clutch relay is supplied by the A/C BFC fuse and circuit 439. When the PCM receives an a/c request message from the BCM, the PCM grounds circuit 459 allowing the a/c compressor clutch relay to engage. Ground for the a/c compressor clutch is supplied through circuit 450.
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?€¢
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?€¢
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?€¢
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?€¢
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Please describle the location of the a/c compressor clutch fuse in a Chevy Tracker 2000.


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1 Answer

A/C problem


unhook wire going to compressor. make a jumper wire and run from positive post on battery to wire going to clutch on compressor. if clutch engages, you have a blown fuse, bad a/c relay or the switch in dash may be bad. the main fuse box is located in engine compartment.

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