TM 9-2330-287-14&P
PREPARATION FOR USE - CONTINUED
Turn on service light of towing vehicle, and check that all trailer lights (11) are working.
11.
Have assistant apply service brakes and operate left- and right-turn signals. Check trailer
12.
lights for proper operation.
13. Turn service lights of towing vehicle to OFF. Turn blackout light of towing vehicle to ON and
check trailer light operation as in steps 1 and 2.
TA224758
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