10.2
Ensure all equipped driver control
switches illuminate and verify the interior
cab lights controlled by these switches
illuminate.
10.3
Ensure both turn signal indicators illumi-
nate when the turn signal switch is acti-
vated.
11.
Check the operation of all exterior lamps manu-
ally or, if equipped, by using either the LIGHT
TEST switch on the dash or the Lamp Check
button on the key fob.
12.
To check exterior lamps manually:
12.1
Turn the ignition switch to the ACC or ON
position.
12.2
Make certain the parking brake is set.
12.3
Activate the high-beam headlamps and
hazard warning lamps.
12.4
Exit the cab and check that all exterior
lamps and reflectors are clean and intact.
12.5
Check that the brake lamps, tail lamps,
headlamps, turn signals, marker lamps,
identification lamps, and clearance lamps
are working properly.
13.
To check the exterior lamps using the dash
LIGHT TEST switch (see Fig. 25.8) or key fob
Lamp Check button (see
Fig. 25.9):
13.1
Make sure the parking brake is set.
f546503a10/25/2019
1
2
1
5
6
7
8
9
3
4
1. Clearance Lamp
2. Identification Lamps
3. Turn Signal
4. DRL/Accent Lamps
5. Headlamp, Low Beam
6. Headlamp, High Beam
7. Fog/Driving Lamp
8. Side Marker Lamp
9. Stop Lamps, Tail Lamps, Turn Signals, and Back-Up
Lamp
Fig. 25.7, Exterior Lights
Pre- and Post-Trip Inspections and Maintenance
25.7
To Next Page
Loading...