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DESCRIPTION
The Exterior Lighting System includes the following components:
• Backup Lamps
• Brake Lamps
• Center High Mounted Stop Lamp
• Daytime Running Lamps
• Front Fog Lamps
• Front Position Lamps
• Hazard Warning Lamps
• Headlamps
• License Plate Lamps
• Marker Lamps
• Park Lamps
• Tail/Stop Lamps
• Turn Signal Lamps
Other components of the exterior lighting system for this model include:
• Backup Lamp Switch
• Brake Lamp Switch
• Brake Lamp Relay
• Hazard Flasher
• Hazard Switch
• Headlamp Switch
• Illumination Control Module
• Multifunction Switch
Vehicles use lighting on both the interior and exterior for illuminating and indicating purposes. Lighting circuits are
protected by fuses or circuit breakers. Lighting circuits require an overload protected power source, on/off device,
lamps and body ground to operate properly. Plastic lamp sockets require a wire in the harness to supply body
ground to the lamp socket. Lamp sockets that are exposed to moisture should be coated with Mopar Multi-purpose
Grease or equivalent to avoid corrosion. If a socket has become corroded, clean the socket and bulb base with an
abrasive fiber sanding pad or metallic bristle brush. Replace sockets and bulbs that are deformed from corrosion
that could prevent a continuous body ground.
Wire connectors can make intermittent contact or become corroded. Before coupling wire connectors, inspect the
terminals inside the connector. Male terminals should not be bent or disengaged from the insulator. Female termi-
nals should not be sprung open or disengaged from the insulator. Bent and sprung terminals can be repaired using
needle nose pliers and pick tools. Corroded terminals appear chalky or green. Corroded terminals should be
replaced to avoid recurrence of intermittent connections or other problem symptoms. Wire connector terminals
should be coated with Mopar Multi-purpose grease or equivalent to avoid corrosion.
Begin electrical system failure diagnosis by testing related fuses and circuit breakers in the fuse block and engine
compartment. Verify that bulbs are in good condition and test continuity of the circuit ground.
OPERATION
The Exterior Lighting System lamps are actuated through a series of controls, switches, relays and circuitry. Fuse 32
in the Underhood Accessory Fuse Block powers the system. All brake lamps, both high and low beam headlamps,
turn signal lamps, fog lamps, backup lamps, marker lamps and license plate lamps are individually protected by
LAMPS/LIGHTING - EXTERIOR - SERVICE INFORMATION 8L - 85
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