Dodge RAM TRUCK 1500 1995 Service Manual page 644

8W-40 INSTRUMENT CLUSTER
SW - 40 - 3
FOUR-WHEEL DRIVE INDICATOR
Power for the four-wheel drive indicator lamp is
supplied on circuit F14. Ground for the lamp is sup­
plied on circuit G107 to the switch. The ground is
passed through the CLOSED contacts in the switch
to circuit Zl.
PTO LAMP
Power for the Power Take-Off (PTO) indicator lamp
is supplied on circuit F14. Ground for the lamp is
supplied on circuit G107 to the switch. The ground is
passed through the CLOSED contacts in the switch
to circuit Zl.
SERVICE REMINDER INDICATOR (SRI) LAMP
Power for the SRI lamp is supplied on circuit F14.
Ground for the lamp is controlled by the Powertrain
Control Module (PCM) on circuit G24. This circuit
connects to cavity 32 of the PCM connector.
HELPFUL
INFORMATION
If the warning lamps don't operate, check fuse 12
in the fuse block.
DIAGRAM INDEX
Component PaQe
ABS Control Module . .8W-40-6, 8
ABS Warning Lamp Relay 8W-40-8
Airbag Control Module 8W-40-4, 12
Airbag Lamp 8W-40-12
Brake Warning Lamp .8W-40-67
Brake Warning Switch .8W-40-7
Buzzer Module . . JW-4Q-10
Check Anti-Lock Lamp 8W-40-9
Check Engine Lamp JW-40-6
Daytime Running Lamps Module 8W-40-7, 11
Engine Coolant Temperature Gauge . . . . . . . . . . . . .8W-40-5
Component P a P e
Engine Coolant Temperature Sensor .8W-40-5
Engine Oil Pressure Gauge .8W-40-5
Engine Oil Pressure Sensor .8W-40-5
Fog Lamp Relays • .8W-40-11
Fuel Gauge 8W-40-5
Fuel Tank Gauge Level Sending Unit -8W-40-5
Fuse A .8W-40-11
Fuse 1 (PDC) 8W-40-10, 11
Fuse 2 (PDC) 8W-40-8
Fuse 3 (PDC) 8W-40-4, 6, 8, 12
Fuse 12 8W-40-4, 6, 8, 12
Fuse 13 .- 8W-40-10
Fuse 14 . . . . . . . . . . . . . . . . . • 8W-40-8
Fuse 18 8W-40-10
4WD Lamp 8W-40-9
4X4 Switch 8W-40-9
Headlamp Switch .8W-40-10
High Beam Indicator 8W-40-11
Ignition Switch 8W-40-4, 6, 8, 12
Illumination Lamps 8W-40-10
Low Washer Fluid Lamp . . . . . . . . . . . . . . .8W-40-12
Low Washer Fluid Sensor 8W-40-12
Maintenance Required Lamp (SRI) .8W-40-12
Message Center 8W-4Q-4
Oil Pressure Gauge 8W-40-5
Overhead Console . .8W-40-10
Parking Brake Switch 8W-40-7
Powertrain Control Module 8W-40-4, 6, 12
PTO Switch . . . 8W-40-9
RWAL Control Module 8W-40-7, 9
Seat Belt Lamp 8W-40-10
Speedometer .8W-40-4
Tachometer 8W-40-4
Turn Signal Indicator Lamps 8W-40-11
Upshift Lamp 8W-40-12
Voltmeter 8W-40-4