Exterior Lighting

LAMPS/LIGHTING - EXTERIOR

Turn Signal & Hazard Warning System
A turn signal and hazard warning system is standard factory-installed safety equipment on this model.

The turn signal and hazard warning system includes the following major components, which are described in further detail elsewhere in this service information:
* Combination Flasher - The electronic combination flasher is installed in the Junction Block (JB), which is located behind the fuse access panel on the left outboard end of the instrument panel.
* Hazard Warning Switch - The hazard warning switch is integral to the multi-function switch on the left side of the steering column. The hazard warning switch button protrudes from a dedicated opening in the shroud on the top of the steering column, just below the steering wheel.
* Turn Signal Cancel Cam - The turn signal cancel cam is integral to the clockspring, which is located beneath the steering column shrouds at the top of the steering column, just below the steering wheel.
* Turn Signal Indicators - The two turn signal indicators, one right and one left, are integral to the ElectroMechanical Instrument Cluster (EMIC) located in the instrument panel.
* Turn Signal Lamps - The front turn signal lamps are integral to the lower front outboard ends of the headlamp modules, located just outboard of the two sides of the radiator grille opening. The rear turn signal lamps are integral to the tail lamp modules located on either side of the vehicle. For pickup models the tail lamp modules are secured to the rear of the quarter panels at each side of the tailgate opening. For cab and chassis models the tail lamp modules are secured by a stamped steel bracket on the outboard side of each frame rail near the rear of the vehicle.
* Turn Signal Switch - The turn signal switch is integral to the multi-function switch on the left side of the steering column. The multi-function switch control stalk that actuates the turn signal switch protrudes from a dedicated opening in the steering column shrouds on the left side of the column, just below the steering wheel.

Hard wired circuitry connects the turn signal and hazard warning system components to each other through the electrical system of the vehicle. These hard wired circuits are integral to several wire harnesses, which are routed throughout the vehicle and retained by many different methods. These circuits may be connected to each other, to the vehicle electrical system and to the turn signal and hazard warning system components through the use of a combination of soldered splices, splice block connectors and many different types of wire harness terminal connectors and insulators. Refer to the appropriate wiring information. The wiring information includes wiring diagrams, proper wire and connector repair procedures, details of wire harness routing and retention, connector pin-out information and location views for the various wire harness connectors, splices and grounds.

The turn signal system operates on battery current received on a fused ignition switch output (run-acc) circuit so that the turn signals will only operate with the ignition switch in the ON or Accessory positions. The hazard warning system operates on non-switched battery current received on a fused B(+) circuit so that the hazard warning remains operational regardless of the ignition switch position. When the turn signal (multi-function) switch control stalk is moved up (right turn) or down (left turn), the turn signal system is activated. When the turn signal system is activated, the circuitry of the turn signal switch and the combination flasher will cause the selected (right or left) turn signal indicator, front park/turn signal lamp, and rear tail/stop/turn signal lamp to flash ON and OFF. With the hazard warning (multi-function) switch in the ON position, the hazard warning system is activated. When the hazard warning system is activated, the circuitry of the hazard warning switch and the combination flasher will cause both the right side and the left side turn signal indicators, front park/turn signal lamps, and rear tail/stop/turn signal lamps to flash ON and OFF.

Refer to the owner's manual in the vehicle glove box for more information on the features, use and operation of the turn signal and hazard warning system.

HEADLAMP
Headlamps on the Ram Pick-Up are modular in design. The turn/park lamp module is incorporated into the headlamp module. The module contains two bulbs; a dual filament headlamp bulb, and a dual filament turn/park bulb. The Sport headlamp module has two separate bulbs for the headlamp illumination.

Headlamps and parking lamps are controlled by the headlamp switch. The multifunction switch mounted on the steering column controls the high beam function, and the turn signal function.