10.3
Ensure both turn signal indicator bulbs
illuminate in the dash message center
when the turn signal switch is activated.
11.
Check the operation of all exterior lights. See
Fig. 21.7.
11.1
Activate the high-beam headlights and
hazard warning lights.
11.2
Exit the cab and check that all exterior
lights and reflectors are clean and intact.
11.3
Check that the brake lights, taillights,
headlights, turn signals, marker lights,
identification lights, and clearance lights
are working properly.
12.
Inspect the seat belts and tether belts.
02/03/2012 f544971
1
2
34
6
7
7
8
8
9
10
5
1. High-Beam Headlight
2. Fog Light, or Auxiliary High-Beam Light
3. Low-Beam Headlight
4. Marker Light
5. Turn Signal
6. Side Turn Signal and Marker Light
7. Clearance Light
8. Stop Light, Taillight, and Turn Signal
9. Back-Up Light
10. Identification Light
Fig. 21.7, Exterior Lights
Pre- and Post-Trip Inspections and Maintenance
21.7
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