Dodge RAM TRUCK 1500 1995 Service Manual page 487

8L - 4 LAMPS
mm
MULTI-FUNCTION SWITCH TESTING PROCEDURES
The multi-function switch contains electrical cir­
cuitry for:
• Headlamp Dimmer Switch.
• Passing Lights.
• Turn Signals.
• Hazard Warning.
• Windshield Wiper.
• Pulse Wiper.
® Windshield Washer.
This integrated switch is mounted to the left hand
side of the steering column. Should any function of
the switch fail, the entire switch must be replaced.
The multi-function switch also serves as a fog lamp
lock-out circuit. The circuit to the fog lamp switch is
completed only when the dimmer switch is in the low
beam position.
SWITCH TEST
(1) Disconnect battery negative cable.
(2) Remove screws along bottom edge of steering
column (Fig. 1).
Fig. 1 Knee Blocker Removal
(3) Pull knee blocker down to disengage and re­
move.
(4) Remove tilt lever.
(5) Remove upper and lower column shrouds to
gain access to the switch connector (Fig. 2).
(6) Remove lower fixed column shroud.
(7) Loosen steering column upper bracket nuts. Do
not remove nuts.
(8) Move upper fixed column shroud to gain access
to rear of multi-function switch.
(9) Remove switch connector (Fig. 3 and 4).
(10) Use an ohmmeter to test for continuity be­
tween the terminals of the switch as shown in the
continuity chart (Fig. 5).
(11) Refer to Service Procedures for assembly.
UPPER
SHROUD
LOWER
SHROUD J9419-17
Fig. 2 Steering Column Shrouds
J918J-1 CONNECTOR
Fig. 3 Multi-function Switch Connector
DAYTIME RUNNING LAMPS—CANADA ONLY
The daytime running lamps are controlled by the
Daytime Running Lamp Relay (DRLR). The DRLR is
located in the engine compartment on the left fender
wheelhouse (Fig. 6). The DRLR allows the high beam
headlamps to illuminate at 50% of the switched ON
brightness when the engine is running with the
headlamp switch OFF. The Daytime running lamps
will go out when the headlamp switch is pulled out.
The passing light feature will flash bright high
beams while the daytime running lamps are acti­
vated.
DAYTIME RUNNING LAMP DIAGNOSTICS
The daytime running lamp system shares fuse 24,
in the fuse panel, with the back-up lamp circuit. The