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 TM 9-2330-394-13&P
ELECTRICAL SYSTEM TROUBLESHOOTING - Continued
0036 00
ELECTRICAL SYSTEM - Continued
Table 1. Electrical System Troubleshooting Procedures - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
12. LEFT BLACKOUT TAILLIGHT
3.
Check to see if 18-26 vdc is
1.
Connect 24 vdc
DOES NOT ILLUMINATE -
present at blackout taillight
intervehicular cable to trailer
CONTINUED
lamp socket center contact.
2.
Loosen six screws and
remove cover and
preformed packing from
housing. Discard preformed
packing.
3.
Remove blackout taillight
from socket.
4.
Set digital multimeter to
volts dc.
5.
Connect positive (+) probe
of digital multimeter to
blackout taillight lamp socket
center contact.
6.
Connect negative (-) probe
of digital multimeter to a
known good ground.
7.
Position towing vehicle main
light switch to BO DRIVE
and note reading on digital
multimeter.
0036 00-79
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