Dodge ram truck 3500 1996 Service Manual page 536

8T - i POWER MIRROR SYSTEMS
DIAGNOSIS AND TESTING (Continued)
cavity of the mirror connector. I f OK, plug the mirror
connector in and go to Step 6. I f not OK, repair the
open circuit as required.
(6) Place the transmission gear selector lever in
the Neutral position. Place the mirror switch in the
On (switch LED lighted) position. Cover the forward
facing ambient photocell sensor to keep out any
ambient light.
NOTE: The ambient photocell sensor must be cov­
ered completely, so that no light reaches the sen­
sor. Use a finger pressed tightly against the sensor,
or cover the sensor completely with electrical tape.
(7) Shine a light into the rear facing headlamp
photocell sensor. The mirror should darken. I f OK, go
to Step 8. I f not OK, replace the faulty mirror unit.
(8) With the mirror darkened, place the transmis­
sion gear selector lever in the Reverse position. The
mirror should return to its normal condition. I f not
OK, replace the faulty mirror unit.
R E M O V A L A N D I N S T A L L A T I O N
AUTOMATIC DAY/NIGHT MIRROR
(1) Disconnect and isolate the battery negative
cable.
(2) I f so equipped, remove the wire cover by grasping
the lower portion of the wire cover and sliding it into
the upper portion and off of the mirror base (Fig. 2).
O N / O F F • ELECTRICAL
SWITCH C O N N E C T O R
Fig, 2 Automatic Day/Night Mirror Remove/Install
(3) Unplug the wiring connector from the mirror.
(4) Remove the setscrew holding the mirror to the
windshield support button.
(5) Push the mirror up far enough to clear the sup­
port button and remove the mirror.
(6) Reverse the removal procedures to install.