TrailBlazer 2WD L6-4.2L VIN S (2003)
8. Connect the internal wiring harness electrical connectors to the following components:
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Transmission fluid pressure switch (1)
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1-2 Shift control solenoid (2)
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2-3 Shift control solenoid (3)
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Pressure control solenoid (4)
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TCC PWM solenoid (5)
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3-2 control solenoid (6)
9. Install the 1-2 accumulator.
10. Connect the transmission harness 20-way connector to the transmission pass-through connector.Align the arrows on each half of the connector and
insert straight down.
11. Install the transmission oil pan and filter.
12. Lower the vehicle.
13. Fill the transmission to the proper level with DEXRON transmission fluid.
