G 10 Van V8-350 5.7L (1985)
FIGURE #4
Follow the Service procedure listed below:
1.
With ignition key in the "off" position, disconnect negative battery cable.
2.
Disconnect the three (3) wire connectors from the rear A/C system blower speed control resistor (see Figure #3).
3.
Remove the two (2) resistor retaining screws from the A/C evaporator inlet case.
4.
Remove the resistor from the case and discard.