INTERIOR LIGHTING SYSTEMS

1
INTERIOR LIGHTING SYSTEMS
2
DIFFERENT LIGHTING SYSTEMS

• COURTESY LIGHTS
• DOME LIGHTS
• VANITY LIGHTS
• INSTRUMENTATION ILLUMINATION
• MAP LIGHTS
• READING LIGHTS
• GLOVE, HOOD AND TRUNK LIGHTS

3
TYPES OF CIRCUITS

• POWER SIDES SWITCHES
• MAP LIGHTS
• VANITY LIGHTS
• GROUND SIDE SWITCHES
• DOME LIGHTS
• COURTESY LIGHTS

4
POWER SIDE SWITCHED

• LIGHTING CIRCUITS INTER-CONNECTED
• POWER SIDE CIRCUITS
• SWITCHES INSULATED

FIG 9-60 CLASS
5
POWER SIDE SWITCHED
LAB 9-54
6
GROUND SIDE SWITCHED

• CIRCUITS ACTIVATED BY COMPLETING GROUND FOR BULBS

FIG 9-53
7
GROUND SIDE SWITCHED
FIG 9-59 CLASS
8
INSTRUMENT CLUSTER AND PANEL LIGHTS

• WARNING LIGHTS
• INDICATOR LIGHTS
• ILLUMINATION LIGHTS
• RHEOSTAT CONTROLS BRIGHTNESS OF DASH LIGHTS

9-61 IN CLASS
9
DIAGNOSIS

• USE TROUBLE CHARTS
• CAN USE TEST LIGHT FOR POWER SIDE CIRCUITS
• BEST TO USE DVOM FOR GROUND SIDE CIRCUITS
• BE AWARE OF POOR CONNECTIONS IN CIRCUITS

EX Page 334 335 in Lab manual
10
WHEN THINGS WERE SIMPLE!