Install the parts in the reverse order of removal.
1.
Power Mirror Switch - Test
1.
Check the power mirror switch (A) according to the table.
NOTE:
Before testing, make sure not to short the power mirror switch.
When an LED is located between terminals, check if the LED lights by connecting power and ground to the LED.
Note this important operating characteristic; diode bias causes a diode to fully conduct electricity in one direction (forward), while not at all in the opposite direction (reverse).
2.
If the result is not as specified, replace the power mirror switch.
