GM Service Manual Online
For 1990-2009 cars only

Important: 

   • The folding top pump assembly has voltage applied from the WINDOWS CKT BRKR 30A. The WINDOWS CKT BRKR 30A is controlled by the retained accessory power (RAP) module.
   • For a complete understanding of the RAP operation, refer to Retained Accessory Power (RAP) Circuit Description .
   • Do not attempt to operate the power folding top unless the vehicle is parked.
   • Release all of the latches before lowering the power folding top.
   • Re-engage all latches after raising the power folding top.

Voltage is applied from WINDOWS CKT BRKR 30A to the folding top switch through circuit 341 when the ignition switch is in one of the following positions:

    • RUN
    • ACCY
    • RAP

The folding top pump assembly receives the ground through the folding top switch assembly, which is grounded at G201. The folding top pump is driven by a reversible permanent-magnet motor. The motor is controlled by the folding top switch, which is normally closed to the ground. When the folding top switch is moved to the UP position, battery voltage is provided to the folding top (circuit 163) pump assembly through the GRY wire (circuit 162). The folding top pump assembly will receive ground through the PPL wire of the folding top switch. This action will drive the power folding top pump top up. When the switch is released, the switch contacts will return to their normal grounded position.