Instruments and Controls Identification A toggle switch ( Fig. 2.16 ) controls the air window. Push the switch up to raise the window, or push it down to lower the window. Headlight Dimmer The headlight dimmer ( Fig. 2.17 ) may be a push but- ton at the end of the turn signal lever, or a lift-handle type built into the turn signal lever. CB Radio Connections An antenna connection and positive (+) and negative power connections are provided for a CB radio. See Fig. 2.16 . To operate the push button type dimmer, press the button once to change from low beam to high beam headlights; press it again to cancel the high beam lights.
Turn Signal Lever To operate the lift-handle type dimmer, pull the turn signal lever up to change from low beam to high beam headlights, or from high beam back to low beam. The turn signal lever ( Fig. 2.17 ) is mounted on the steering column. Pushing the lever counterclockwise turns on the left-turn signal lights; pushing it clock- wise turns on the right-turn signal lights. When one of the turn signal lights is on, a green indicator light flashes at the far left or far right of the warning and indicator light panel. To cancel the signal, return the lever to the neutral position, except when equipped with an optional self-canceling switch.
When the headlights are on high beam, a green light on the indicator light panel comes on. For vehicles built to operate in the United States, switching from low beams to high beams will switch off the fog lights. NOTE: The ignition switch must be on for the high beams to work. Trailer Brake Hand Control Valve Lever 1 3 4 This lever is used for applying the trailer brakes with- out applying the truck or tractor brakes and is mounted on the steering column. See Fig. 2.17 . See Chapter 6 under the heading "Brake System," for operating instructions. 2 01/18/95 f460194a 1. Turn Signal Lever 2. Hazard Warning Light Tab 3. Headlight Dimmer Push Button 4.
Trailer Brake Hand Control Lever Transmission Controls If so equipped, the transmission range control valve and splitter valve are attached to the gearshift knob. Transmission shift pattern labels are located on the header or sun visor above the driver’s windshield. Fig. 2.17, Turn Signal Lever Hazard Warning Light Tab See Chapter 8 for complete transmission operating instructions. The hazard warning light tab ( Fig. 2.17 ) is located below the lever on the turn signal switch. Activate the hazard warning lights by pulling the tab out. When the hazard warning light tab is pulled out, all of the turn signal lights and both of the indicator lights on the control panel will flash.
To cancel the warning lights, move the turn signal lever up or down. Suspension Seat Adjustment Controls All adjustment controls for a suspension seat are lo- cated on the seat base. See Chapter 5 for complete instructions. IMPORTANT: Due to the maximum adjustability of mid- and high-back air suspension seats, it is possible to combine the seat back recline ad- justment and the seat slide adjustment so that the seat back contacts the backwall. It is the 2.12