Mirrors: Description and Operation
Each outside mirror has two reversible motors; one to adjust the mirror up and down, the other to adjust the mirror right and left. The driver operates four switches that control the polarity of the voltage to the motors. The Mirror Select Switch directs these control voltages to either the RH or LH Outside Mirror.With the switches in the positions shown in the schematic, the LH Outside Mirror is moved. When the Up-Down Switch is pressed UP, battery voltage from the ORN wire is applied to the YEL wire and the Up-Down Motor in the LH Outside Mirror. The LH Outside Mirror Up-Down Switch has a path to ground through the LT GRN wire, the UP contacts of the Up-Down Switch, and the BLK wire to G304. The LH Motor runs and turns the mirror up.
If the Outside Mirror Control Switch is pressed in the DOWN position, the same motor receives voltage through the LT GRN wire, while the YEL wire is grounded. The motor runs in the opposite direction.
The LH Left-Right Motor operates in a similar manner with the Mirror Select Switch in the left position. When the Left-Right Switch is pressed to LEFT, the LT BLU wire receives battery voltage and the WHT wire is grounded through the Left-Right Switch. The motor runs and moves the mirror left. When the Left-Right Switch is pressed to RIGHT, the motor receives battery voltage through the WHT wire and is grounded through the LT BLU wire. The motor runs in the opposite direction to move the mirror right.
The RH Outside Mirror works the same way as the LH Outside Mirror when the Mirror Select Switch is moved to the RH position and the appropriate switch is operated.