TM 9-2320-366-10-2
Table 3-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ONE OR MORE CAB MARKER LIGHTS DO NOT ILLUMINATE.
Check operation of all marker lights (para 2-27c).
If all marker lights do not illuminate, perform Electrical System Troubleshooting (e45A. All
Marker Lights Do Not Illuminate in Normal Mode). If one or more cab top marker lights do not
illuminate, notify Unit Maintenance.
SIDE AND/OR REAR MARKER LIGHTS DO NOT ILLUMINATE.
Check operation of all marker lights (para 2-27c).
If all marker lights do not illuminate, perform Electrical System Troubleshooting (e45A. All
Marker Lights Do Not Illuminate in Normal Mode). If side and/or rear marker lights do not
illuminate, notify Unit Maintenance.
Check circuit breaker (CB67) in Power Distribution Panel (PDP) to see if it is tripped.
(a)
Remove PDP cover (para 3-17a).
(b)
Check circuit breaker (CB67) to see if it is tripped. If circuit breaker (CB67) is tripped, push in
to reset.
(c)
Position main light switch to SER DRIVE (para 2-27c).
(d)
If all marker lights still do not illuminate, check circuit breaker (CB67) to see if it is tripped. If
circuit breaker is tripped, notify Unit Maintenance.
(e)
Install PDP cover (para 3-17b).
(f)
Position main light switch to OFF (para 2-27c).
(g)
If all marker lights do not illuminate, notify Unit Maintenance.
ONE OR BOTH COMPOSITE TAILLIGHTS DO NOT ILLUMINATE.
Step 1. Check operation of all vehicle lights (para 2-27c).
If either light is not working, notify Unit Maintenance.
Step 2. Check circuit breakers (CB43, CB44, and CB67) in PDP to see if they are tripped.
(a)
Remove PDP cover (para 3-17a).
(b)
Position main light switch to OFF (para 2-27c).
(c)
If circuit breakers are tripped, push in to reset.
(d)
Position main light switch to SER DRIVE (para 2-27c).
(e)
Check circuit breakers to see if they tripped. If circuit breaker is tripped, notify Unit Maintenance.
Change 1
