Chrysler RG Voyager. Manual — part 724
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(3) Gently push the plunger on the brake lamp
switch in until it stops.
(4) With the switch in this depressed position
(plunger pushed in), use an ohmmeter to test each of
the three internal switches as shown (Fig. 2). You
should achieve the results as listed in the figure.
If you do not achieve the results as listed in both
figures, the switch is faulty and must be replaced.
Refer to Removal And Installation in this section.
If the switch is found to be operating properly, it
may be misadjusted. Do not reinstall the switch,
replace it. (Refer to 8 - ELECTRICAL/LAMPS/
LIGHTING - EXTERIOR/BRAKE LAMP SWITCH -
INSTALLATION)
CAUTION: The switch can only be adjusted once.
That is during initial installation of the switch. If the
switch
is
not
adjusted
properly
or
has
been
removed for any reason, a new switch must be
installed and adjusted.
REMOVAL
(1) Disconnect and isolate the battery negative
cable from its post on the battery.
(2) Remove silencer panel below steering column
and knee blocker.
(3) Remove the brake lamp switch by rotating the
switch in a counterclockwise direction approximately
30 degrees and pulling it out of the bracket (Fig. 3).
(4) Release the locking tab and disconnect the wir-
ing connector from the switch.
(5) Discard the brake lamp switch. It must not be
reused.
INSTALLATION
CAUTION: Do not reuse the original brake lamp
switch. The switch can only be adjusted once. That
is during initial installation of the switch. If the
switch
is
not
adjusted
properly
or
has
been
removed for some service, a new switch must be
installed and adjusted.
(1) Mount and adjust the NEW brake lamp switch
using the following procedure:
(a) Connect the wiring connector to the switch
and latch the locking tab.
Fig. 1 SWITCH TEST - RELEASED POSITION
Fig. 2 SWITCH TEST - DEPRESSED POSITION
Fig. 3 Brake Lamp Switch And Pedal With Bracket
1 - BRAKE LAMP SWITCH
2 - WIRING CONNECTOR
3 - PEDAL AND BRACKET
RS
LAMPS/LIGHTING - EXTERIOR
8L - 5
BRAKE LAMP SWITCH (Continued)
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(b) Install the switch in its bracket by aligning
the index tab on the switch with the slot in the
mounting bracket.
(c) When the switch is fully seated in its
bracket, rotate the switch clockwise approximately
30° to lock the switch into place.
(d) With the brake pedal in the fully released
position, move the lever on the back of the brake
lamp switch from the angled non-adjusted position
to the full vertical position as shown (Fig. 4). This
will adjust the brake lamp switch to the vehicle.
(2) Install silencer panel below steering column
knee blocker.
(3) Reconnect the battery negative terminal.
(4) Check the stop lamps to verify they are operat-
ing properly and not staying on when the pedal is in
the released position.
(5) Road test the vehicle to ensure proper opera-
tion of the brakes including ABS and speed control (if
equipped).
CENTER HIGH MOUNTED
STOP LAMP
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove two retaining screws (Fig. 5).
(3) Twist socket counter-clockwise and remove
from lamp.
(4) Pull bulb from socket (Fig. 7).
INSTALLATION
(1) Push bulb into socket.
(2) Install socket into the lamp unit.
(3) Install the retaining screws.
(4) Reconnect the battery negative cable.
CENTER HIGH MOUNTED
STOP LAMP UNIT
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the two retaining screws (Fig. 5).
(3) Disconnect the rear window washer nozzle
assembly (Fig. 6).
(4) Disconnect CHMSL electrical connector from
bulb socket (Fig. 7).
INSTALLATION
(1) Connect electrical connector to CHMSL bulb
socket.
(2) Reconnect the rear window washer nozzle
assembly.
Fig. 4 Adjustment Lever Movement
Fig. 5 CHMSL UNIT
1 - CHMSL UNIT
2 - LIFTGATE
Fig. 6 REAR WASHER NOZZLE ASSEMBLY
1 - BARREL IN CHMSL
2 - NOZZLE ASSEMBLY
3 - SQUEEZE ARMS TO RELEASE NOZZLE ASSEMBLY
4 - HOSE
8L - 6
LAMPS/LIGHTING - EXTERIOR
RS
BRAKE LAMP SWITCH (Continued)
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(3) Install the retaining screws.
(4) Reconnect the battery negative cable.
FRONT FOG LAMP
DIAGNOSIS AND TESTING - FRONT FOG LAMP
When a vehicle experiences problems with the
front fog lamp system, verify the condition of the bat-
tery connections, fuses, charging system, fog lamp
bulbs, wire connectors, relay, high beam switch, and
headlamp switch. Refer to the appropriate wiring
information.
Each vehicle is equipped with various lamp assem-
blies. A good ground is necessary for proper lighting
operation. Grounding is provided by the lamp socket
when it comes in contact with the metal body, or
through a separate ground wire.
When changing lamp bulbs check the socket for
corrosion. If corrosion is present, clean it with a wire
brush.
When it is necessary to remove components to ser-
vice another, it should not be necessary to apply
excessive force or bend a component to remove it.
Before damaging a trim component, verify hidden
fasteners or captured edges are not holding the com-
ponent in place.
FRONT FOG LAMP DIAGNOSIS
CONDITION
POSSIBLE CAUSES
CORRECTION
FOG LAMPS ARE DIM
WITH ENGINE IDLING
OR IGNITION TURNED
OFF.
1. Loose or corroded battery
cables.
1. Clean and secure battery cable clamps and
posts.
2. Loose or worn generator drive
belt.
2. Adjust or replace generator drive belt.
3. Charging system output too low.
3. Test and repair charging system. Refer to
Electrical, Charging,
4. Battery has insufficient charge.
4. Test battery state-of-charge. Refer to
Electrical, Battery System.
5. Battery is sulfated or shorted.
5. Load test battery. Refer to Electrical, Battery
System.
6. Poor lighting circuit Z349/Z248
ground.
6. Test for voltage drop across Z349/248
ground locations. Refer to Electrical, Wiring
Information.
FOG LAMP BULBS
BURN OUT
FREQUENTLY
1. Charging system output too
high.
1. Test and repair charging system. Refer to
Electrical, Charging.
2. Loose or corroded terminals or
splices in circuit.
2. Inspect and repair all connectors and splices.
Refer to Electrical, Wiring Information.
Fig. 7 CHMSL ELECTRICAL CONNECTOR
1 - CHMSL UNIT
2 - CHMSL ELECTRICAL CONNECTOR
RS
LAMPS/LIGHTING - EXTERIOR
8L - 7
CENTER HIGH MOUNTED STOP LAMP UNIT (Continued)
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CONDITION
POSSIBLE CAUSES
CORRECTION
FOG LAMPS ARE DIM
WITH ENGINE
RUNNING ABOVE IDLE
1. Charging system output too low.
1. Test and repair charging system. Refer to
Electrical, Charging.
2. Poor lighting circuit Z349/Z248
ground.
2. Test for voltage drop across Z349/Z248
ground locations. Refer to Electrical, Wiring
Information.
3. High resistance in fog lamp
circuit.
3. Test amperage draw of fog lamp circuit.
FOG LAMPS FLASH
RANDOMLY
1. Poor lighting circuit Z349/Z248
ground.
1. Test for voltage drop across Z349/Z248
ground locations. Refer to Electrical, Wiring
Information.
2. Variable resistance in fog lamp
circuit.
2. Test amperage draw of fog lamp circuit.
3. Faulty fog lamp switch (part of
headlamp switch).
3. Replace headlamp switch.
4. Loose or corroded terminals or
splices in circuit.
4. Inspect and repair all connectors and splices.
Refer to Electrical, Wiring Information.
5. Is relay engaging properly?
5. Verify function of fog lamp relay in IPM.
6. PCI Bus Communication.
6. Verify PCI bus message (fog lamp info)
transmitted from BCM and received by FCM.
FOG LAMPS DO NOT
ILLUMINATE
1. Blown fuse for fog lamp.
1. Replace fuse. Refer to Electrical, Wiring
Information.
2. No Z349/Z248 ground at fog
lamps.
2. Repair circuit ground. Refer to Electrical,
Wiring Information.
3. Faulty fog lamp switch (part of
headlamp switch).
3. Replace headlamp switch.
4. Broken connector terminal or
wire splice in fog lamp circuit.
4. Repair connector terminal or wire splice.
5. Faulty or burned out bulb.
5. Replace bulb.
6. Is relay engaging?
6. Verify function of fog lamp relay in IPM.
7. PCI Bus Communication.
7. Verify PCI bus message (fog lamp info)
transmitted from BCM and received by FCM.
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) From behind the bumper fascia, twist bulb
counter-clockwise, and remove bulb.
(3) Remove the wire connector from the fog lamp
bulb.
INSTALLATION
(1) Reconnect wire harness to bulb.
(2) Install bulb and twist clockwise.
(3) Install battery negative cable.
8L - 8
LAMPS/LIGHTING - EXTERIOR
RS
FRONT FOG LAMP (Continued)
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