Chrysler 2004 Concorde Service Manual page 298

8G - 6 HEATED GLASS
REAR WINDOW DEFOGGER RELAY (Continued)
POTENTIAL PROBLEM
POOR CONNECTION BETWEEN
PIN 3 OF RELAY AND POSITIVE
CONNECTION ON REAR WINDOW
DEFOGGER GRID CIRCUIT.
POOR CONNECTION TO GROUND
ON NEGATIVE SIDE OF REAR
WINDOW DEFOGGER GRID.
POOR WIRING CONNECTION
BETWEEN PINS 1 TO 2 OF THE
REAR WINDOW DEFOGGER
RELAY.
OPEN FUSE OR OPEN WIRING
CONNECTION TO PIN 1 OF REAR
WINDOW DEFOGGER RELAY.
RELAY CONTACTS SHORTED.
REPLACE RELAY. REAR WINDOW
DEFOGGER WILL NOT TURN OFF.
REMOVAL
(1) Disconnect the battery negative remote cable
from the remote ground post (Fig. 6).
Fig. 6 NEGATIVE BATTERY CABLE REMOTE
TERMINAL
1 - RIGHT STRUT TOWER
2 - AIR CLEANER INLET TUBE
3 - REMOTE TERMINAL
SYSTEM
VOLTAGE AT REAR WINDOW
ON OR OFF
DEFOGGER RELAY POINT TO
WITH
GOOD VEHICLE GROUND
ENGINE
RUNNING
1
MORE
ON THAN
11
MORE
ON THAN
11
MORE
ON THAN
11
ON 0
MORE
OFF THAN
11
(2) Open the trunk. Remove the carpeting fasten-
ers from the right rear panel and pull the trunk car-
peting away.
(3) Remove the relay fastener screw and unplug
the relay.
(4) Remove the relay from vehicle.
INSTALLATION
(1) Plug the relay into the wire harness connector.
(2) Install the relay fastener screw.
(3) Place the carpet back into position and install
the fasteners.
(4) Connect the negative battery cable to the
remote ground post.
(5) Test the rear window defogger system for
proper operation.
2 3 4
MORE MORE LESS
THAN THAN THAN
11 11 1.0
MORE MORE LESS
THAN THAN THAN
11 11 1.0
0 0 0
0 0 0
MORE MORE MORE
THAN THAN THAN
11 11 11
LH
VOLTAGE AT
REAR WINDOW
DEFOGGER
GRID TO GOOD
VEHICLE
GROUND
A B
0 0
MORE MORE
THAN THAN
11 11
0 0
0 0
MORE
THAN 0
11