2001 DODGE RAM Service Repair Manual

fuse box location door lock radiator timing belt seat adjustment hood open

Page 625 of 2889

DODGE RAM 2001 Service Repair Manual INSTALLATION
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNE

INSTALLATION
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISO-
LATE THE BATTERY NEGATIVE (GROUND) CABLE,
THEN WAIT TWO MINUTES FOR THE AIRBAG SYS-
TEM CAPACITOR TO DISCHARGE BEFORE PER-
FORMING FURTHER DIAGNOSIS OR SERVICE. THIS
IS THE ONLY SURE WAY TO DISABLE THE AIRBAG
SYSTEM. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
(1) Position the multi-function switch next to the
steering column.
(2) Reconnect the instrument panel wire harness
connector for the multi-function switch to the switch
connector receptacle (Fig. 27).
(3) Install and tighten the screw that secures the
instrument panel wire harness connector for the
multi-function switch to the switch connector recep-
tacle. Tighten the screw to 2 N´m (18 in. lbs.).
(4) Position the multi-function switch onto the
steering column.(5) Carefully lift the upper inner shroud upward
far enough to access the multi-function switch
mounting screws.
(6) Install and tighten the two tamper proof
screws (a Snap On tamper proof Torx bit TTXR20B2
or equivalent is required) that secure the multi-func-
tion switch to the steering column housing. Tighten
the screws to 2 N´m (18 in. lbs.).
(7) Position the lower inner shroud onto the steer-
ing column (Fig. 26). Be certain to insert the gear-
shift lever hider strip into the channel located on the
inside surface of the shroud.
(8) Align the locking tabs on the gearshift lever
side of the upper inner shroud with the receptacles
on the lower inner shroud and apply hand pressure
to snap them together.
(9) From below the steering column, install and
tighten the two screws that secure the lower inner
shroud to the steering column housing and the upper
inner shroud. Tighten the screws to 2 N´m (18 in.
lbs.).
(10) Position the lower outer shroud onto the
steering column.
(11) From below the steering column, install and
tighten the one center screw that secures the lower
outer shroud to the steering column housing. Tighten
the screw to 2 N´m (18 in. lbs.).
(12) Align the locking tabs on the upper outer
shroud with the receptacles on the lower outer
shroud and apply hand pressure to snap them
together.
(13) From below the steering column, install and
tighten the two outboard screws that secure the
lower outer shroud to the upper outer shroud.
Tighten the screws to 2 N´m (18 in. lbs.).
(14) If the vehicle is so equipped, reinstall the
lever into the tilt steering column adjuster on the left
side of the column. Turn the lever clockwise to screw
it into the adjuster.
(15) Reconnect the battery negative cable.
OUTBOARD IDENTIFICATION
LAMP
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Using a flat blade screw driver, carefully pry
lamp to disengage clips attaching ID lamp to retainer
(Fig. 28).
(3) Separate ID lamp from retainer.
(4) Disengage lamp bulb socket from lamp.
(5) Remove screws attaching lamp retainer to rear
fender.
(6) Separate retainer from rear fender.
Fig. 27 Multi-Function Switch Connector
1 - WIRE HARNESS CONNECTORS
2 - SCREW
3 - WIRE HARNESS CONNECTOR
4 - MULTI-FUNCTION SWITCH CONNECTOR RECEPTACLE
5 - WIRE HARNESS CONNECTOR
6 - CLOCKSPRING
7 - IGNITION SWITCH
8L - 28 LAMPS/LIGHTING - EXTERIORBR/BE
MULTI-FUNCTION SWITCH (Continued)

Page 626 of 2889

DODGE RAM 2001 Service Repair Manual INSTALLATION
(1) Position retainer on rear fender.
(2) Install screws attaching lamp retainer to rear
fender.
(3) Engage lamp bulb socket to lamp.
(4) Position and press ID lamp in retainer.
(5) Conne

INSTALLATION
(1) Position retainer on rear fender.
(2) Install screws attaching lamp retainer to rear
fender.
(3) Engage lamp bulb socket to lamp.
(4) Position and press ID lamp in retainer.
(5) Connect the battery negative cable.
PARK/TURN SIGNAL LAMP
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove park and turn signal lamp.
(3) Rotate bulb socket 1/4 turn counterclockwise
and pull turn signal lamp socket from back of lamp.
(4) Pull park and turn signal lamp bulb from
socket.
INSTALLATION
(1) Install park and turn signal lamp bulb in
socket.
(2) Install park and turn signal lamp socket into
back of lamp.
(3) Install park/turn signal lamp.
(4) Connect the battery negative cable.
PARK/TURN SIGNAL LAMP
UNIT
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove screw attaching the park lamp to
headlamp module.
(3) Grasp lamp and pull forward to disengage clip
attaching park/turn lamp to headlamp module.
(4) Separate park lamp headlamp module.
(5) Rotate park/turn signal socket 1/4 turn
counter-clockwise and remove from back of lamp.
(6) Remove side marker socket from back of lamp.
(7) Separate park/turn signal lamp from vehicle.
INSTALLATION
(1) Install side marker socket from back of lamp.
(2) Install park/turn signal socket in back of lamp.
(3) Install park/turn signal lamp in vehicle.
(4) Install screw attaching the park lamp to head-
lamp module.
(5) Connect the battery negative cable.
TAIL LAMP
DESCRIPTION
There are two types of tail lamp modules used on
the Ram Truck. One type is integrated into the
pick-up bed, The other is a bracket mounted module
used on the Ram Truck Cab and Chassis. The Cab
and Chassis module is made up of a housing, lens,
and two bulbs. This type of module has license plate
illumination built into the lens. The integrated pick
up module contains a housing, lens, and two bulbs. A
dual filament bulb is used for tail, stop, and turn sig-
nal operations. A separate bulb is used for back-up
illumination.
OPERATION
Tail lamp functions are controlled by the headlamp
switch. Turn signal operations are controlled by the
multifunction switch. Stop lamp functions are con-
trolled by the stoplamp switch. The back-up lamps
are controlled by the back-up lamp switch on the
transmission.
REMOVAL
CHASSIS CAB
(1) Disconnect and isolate the battery negative
cable.
(2) Remove screws holding tail lamp lens to lamp
body.
Fig. 28 Side Identification Lamps
1 - FENDER
2 - U-NUT
3 - IDENTIFICATION LAMP
4 - RETAINER
5 - U-NUT
BR/BELAMPS/LIGHTING - EXTERIOR 8L - 29
OUTBOARD IDENTIFICATION LAMP (Continued)

Page 627 of 2889

DODGE RAM 2001 Service Repair Manual (3) Separate lens from lamp.
(4) Grasp bulb, push in slightly and rotate 1/2 turn
counter-clockwise.
PICKUP
(1) Disconnect and isolate the battery negative
cable.
(2) Remove screws from tail lamp.
(3)

(3) Separate lens from lamp.
(4) Grasp bulb, push in slightly and rotate 1/2 turn
counter-clockwise.
PICKUP
(1) Disconnect and isolate the battery negative
cable.
(2) Remove screws from tail lamp.
(3) Grasp lamp, firmly pull lamp rearward to dis-
engage retaining studs.
(4) Remove socket from tail lamp.
(5) Separate tail lamp from cargo box.
(6) Pull bulb from socket.
INSTALLATION
CHASSIS CAB
(1) Install bulb in socket.
(2) Install lamp lens.
(3) Connect the battery negative cable.
PICKUP
(1) Install bulb in socket.
(2) Install socket in tail lamp.
(3) Position tail lamp in cargo box, engage retain-
ing studs and install screws.
(4) Connect the battery negative cable.
TAIL LAMP UNIT
REMOVAL
CAB CHASSIS
(1) Disconnect and isolate the battery negative
cable.
(2) Remove nuts attaching tail lamp to mounting
bracket (Fig. 29).
(3) Disengage tail lamp wire connector from body
wire harness.
(4) Separate tail lamp from vehicle.
PICKUP
(1) Disconnect and isolate the battery negative
cable.
(2) Remove screws from tail lamp (Fig. 30).
(3) Grasp lamp, firmly pull lamp rearward to dis-
engage retaining studs.
(4) Remove socket from tail lamp.
(5) Separate tail lamp from cargo box.
(6) Pull bulb from socket.
INSTALLATION
CAB CHASSIS
(1) Position tail lamp on vehicle.(2) Engage tail lamp wire connector to body wire
harness.
(3) Install nuts attaching tail lamp to mounting
bracket.
(4) Connect the battery negative cable.
PICKUP
(1) Install bulb in socket.
(2) Install socket in tail lamp.
(3) Position tail lamp in cargo box, engage retain-
ing studs and install screws.
(4) Connect the battery negative cable.
TURN SIGNAL CANCEL CAM
DESCRIPTION
The turn signal cancel cam is concealed within the
steering column below the steering wheel. The turn
signal cancel cam consists of two lobes that are inte-
gral to the lower surface of the clockspring rotor. The
clockspring mechanism provides turn signal cancella-
tion as well as a constant electrical connection
between the horn switch, driver airbag, speed control
switches, and remote radio switches on the steering
wheel and the instrument panel wire harness on the
steering column. The housing of the clockspring is
secured to the steering column and remains station-
Fig. 29 Tail, Brake, Turn Signal and Back-up
LampsÐCab Chassis
1 - LICENCE PLATE BRACKET
2 - FRAME
3 - TAILLAMP MOUNTING BRACKET
4 - TAILLAMP-BRAKE LAMP-BACKUP LAMP HOUSING
8L - 30 LAMPS/LIGHTING - EXTERIORBR/BE
TAIL LAMP (Continued)

Page 628 of 2889

DODGE RAM 2001 Service Repair Manual ary. The rotor of the clockspring, including the turn
signal cancel cam lobes rotate with the steering
wheel.
The turn signal cancel cam is serviced as a unit
with the clockspring and cannot be repair

Page 629 of 2889

DODGE RAM 2001 Service Repair Manual INSTALLATION
(1) Engage the replacement bulb wire loop to the
terminal closest to the lamp base wire connector.
(2) Depress the opposite terminal inward and
engage the remaining bulb wire loop.
(3) Po

Page 630 of 2889

DODGE RAM 2001 Service Repair Manual LAMPS/LIGHTING - INTERIOR
TABLE OF CONTENTS
page page
LAMPS/LIGHTING - INTERIOR
SPECIFICATIONS........................33
DOME LAMP
REMOVAL..............................33
INSTALLATION.................

LAMPS/LIGHTING - INTERIOR
TABLE OF CONTENTS
page page
LAMPS/LIGHTING - INTERIOR
SPECIFICATIONS........................33
DOME LAMP
REMOVAL..............................33
INSTALLATION...........................33
DOOR AJAR SWITCH
DESCRIPTION...........................34
DIAGNOSIS AND TESTING.................34
DOOR AJAR SWITCH....................34
REMOVAL..............................35
INSTALLATION...........................35GLOVE BOX LAMP AND SWITCH
REMOVAL..............................35
INSTALLATION...........................35
READING LAMP
DESCRIPTION...........................36
OPERATION.............................36
REMOVAL..............................36
INSTALLATION...........................36
VANITY LAMP
REMOVAL..............................37
INSTALLATION...........................37
LAMPS/LIGHTING - INTERIOR
SPECIFICATIONS
INTERIOR LAMPS
LAMP BULB
A/C HEATER CONTROL 158
ASH RECEIVER 161
CIGAR LIGHTER 161
HEADLAMP SWITCH 158
HEATER CONTROL 158
INSTRUMENT CLUSTER PC194
RADIO ASC
AIRBAG HIGH LINE PC194
AIRBAG LOW LINE PC74
ANTI-LOCK BRAKE PC74
BATTERY VOLTAGE PC194
BRAKE WARNING PC194
CHECK ENGINE PC74
ENGINE OIL PRESSURE PC74
FOUR WHEEL DRIVE PC194
HIGH BEAM PC194
LOW FUEL PC194
LOW WASHER FLUID PC74
MAINTENANCE
REQUIREDPC74
MESSAGE CENTER PC194
SEAT BELT PC74
LAMP BULB
TURN SIGNAL PC194
UPSHIFT PC74
DOME 1004
GLOVE COMPARTMENT 1891
VANITY MIRROR LAMP P/N 6501966
DOME LAMP
REMOVAL
(1) Using a small flat blade, pry the left side (driv-
er's side) of the dome lamp lens downward from
dome lamp.
(2) Allow the lens to hang down (Fig. 1) , this will
disengage the right side of the lamp (passenger's
side) from the headliner.
(3) Pull the right side of the lamp down and slide
the lamp to the right (Fig. 2) .
(4) Separate the lamp from the headliner.
(5) Disengage dome lamp wire connector from body
wire harness.
(6) Separate dome lamp from vehicle.
INSTALLATION
(1) Position dome lamp at headliner.
(2) Connect dome lamp wire connector to body
wire harness.
(3) Position the left side of the lamp in the head-
liner opening and slide lamp to the left.
(4) Push the right side of the lamp in the head-
liner opening and push the lamp lens up into the
lamp to secure.
BR/BELAMPS/LIGHTING - INTERIOR 8L - 33

Page 631 of 2889

DODGE RAM 2001 Service Repair Manual DOOR AJAR SWITCH
DESCRIPTION
The door ajar switches are mounted to the door
hinge pillars. The switches close a path to ground for
the Central Timer Module (CTM) when a door is
opened, and open the gr

DOOR AJAR SWITCH
DESCRIPTION
The door ajar switches are mounted to the door
hinge pillars. The switches close a path to ground for
the Central Timer Module (CTM) when a door is
opened, and open the ground path when a door is
closed.
The door ajar switches cannot be repaired and, if
faulty or damaged, they must be replaced.
DIAGNOSIS AND TESTING - DOOR AJAR
SWITCH
For circuit descriptions and diagrams, refer to the
appropriate wiring information. The wiring informa-tion includes wiring diagrams, proper wire and con-
nector repair procedures, details of wire harness
routing and retention, connector pin-out information
and location views for the various wire harness con-
nectors, splices and grounds.
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, REFER TO ELECTRICAL, RESTRAINTS
BEFORE ATTEMPTING ANY STEERING WHEEL,
STEERING COLUMN, OR INSTRUMENT PANEL
COMPONENT DIAGNOSIS OR SERVICE. FAILURE
TO TAKE THE PROPER PRECAUTIONS COULD
RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND POSSIBLE PERSONAL INJURY.
(1) Rotate the headlamp switch knob counterclock-
wise to ensure that the dome lamps are not switched
off. Open the driver door and note whether the inte-
rior lamps light. They should light. If OK, (Refer to 8
- ELECTRICAL/LAMPS/LIGHTING - EXTERIOR/
HEADLAMP SWITCH - DIAGNOSIS AND TEST-
ING). If not OK, go to Step 2.
(2) Disconnect and isolate the battery negative
cable. Unplug the driver door ajar switch from its
wire harness connector. Check for continuity between
the ground circuit cavity of the driver door ajar
switch wire harness connector and a good ground.
There should be continuity. If OK, go to Step 3. If not
OK, repair the circuit to ground as required.
(3) Check for continuity between the door ajar
switch ground circuit terminal and each of the other
two terminals of the driver door ajar switch. There
should be continuity with the switch plunger
released, and no continuity with the switch plunger
depressed. If OK, go to Step 4. If not OK, replace the
faulty switch.
(4) Remove the Central Timer Module (CTM) from
its mounting bracket to access the CTM wire harness
connectors (Refer to 8 - ELECTRICAL/ELECTRONIC
CONTROL MODULES/BODY CONTROL/CENTRAL
TIMER MODUL - REMOVAL). Unplug the 14-way
CTM wire harness connector. Check for continuity
between the driver door switch sense circuit cavity of
the 14-way CTM wire harness connector and a good
ground. There should be no continuity. If OK, go to
Step 5. If not OK, repair the short circuit as
required.
(5) Check for continuity between the driver door
switch sense circuit cavities of the 14-way CTM wire
harness connector and the driver door ajar switch
wire harness connector. There should be continuity. If
OK, (Refer to 8 - ELECTRICAL/LAMPS/LIGHTING -
EXTERIOR/HEADLAMP SWITCH - DIAGNOSIS
AND TESTING) If not OK, repair the open circuit as
required.
Fig. 1 Dome Lamp Lens
1 - HEADLINER
2 - CONNECTOR
3 - DOME LAMP
4 - LENS
5 - BULB
Fig. 2 Dome Lamp
1 - SLIDE LAMP
8L - 34 LAMPS/LIGHTING - INTERIORBR/BE
DOME LAMP (Continued)

Page 632 of 2889

DODGE RAM 2001 Service Repair Manual REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Grasp the body of the door ajar switch with a
pair of pliers and move the switch gently back-and-
forth while pulling it out of the d

REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Grasp the body of the door ajar switch with a
pair of pliers and move the switch gently back-and-
forth while pulling it out of the door hinge pillar
mounting hole.
(3) Pull the door ajar switch out from the pillar far
enough to access the wire harness connector (Fig. 3).
(4) Unplug the door ajar switch from the wire har-
ness connector.
INSTALLATION
(1) Install the door ajar switch to the wire harness
connector.
(2) Push the door ajar switch into the pillar.
(3) Connect the battery negative cable.
GLOVE BOX LAMP AND
SWITCH
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the glove box from the instrument
panel. (Refer to 23 - BODY/INSTRUMENT PANEL/
GLOVE BOX - REMOVAL) for the procedures.
(3) Reach through the glove box opening and
behind the glove box lamp and switch mounting
bracket to access the instrument panel wire harness
connector on the glove box lamp and switch (Fig. 4).(4) Disconnect the instrument panel wire harness
connector from the connector receptacle on the back
of the glove box lamp and switch unit.
(5) Reach through the glove box opening and
behind the glove box lamp and switch mounting
bracket to depress the retaining tabs on the top and
bottom of the glove box lamp and switch housing.
(6) While holding the retaining tabs depressed,
push the glove box lamp and switch unit out through
the hole in the mounting bracket on the instrument
panel glove box opening upper reinforcement.
(7) Remove the glove box lamp and switch unit
from the instrument panel.
INSTALLATION
(1) Reach through the glove box opening and
behind the glove box lamp and switch mounting
bracket to feed the instrument panel wire harness
connectors out through the hole in the glove box
lamp and switch housing mounting bracket.
(2) Position the glove box lamp and switch unit to
the instrument panel.
(3) Reconnect the instrument panel wire harness
connector to the connector receptacle on the back of
the glove box lamp and switch unit.
(4) Push the glove box lamp and switch unit into
the hole in the mounting bracket on the instrument
panel glove box opening upper reinforcement.
Fig. 3 DOOR AJAR SWITCH REMOVE/INSTALL
1 - DOOR HINGE PILLAR
2 - DOOR AJAR SWITCH
3 - CONNECTOR
Fig. 4 Glove Box Lamp and Switch Remove/Install
1 - RETAINER
2 - WIRE HARNESS CONNECTOR
3 - GLOVE BOX LAMP AND SWITCH
4 - MOUNTING BRACKET
BR/BELAMPS/LIGHTING - INTERIOR 8L - 35
DOOR AJAR SWITCH (Continued)

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