TM 9-2320-279-34-1
Change 5
6-111
Electrical Systems Maintenance Instructions (Cont)
(27)
Remove two nuts (63) and chassis wiring harness (12) from towing brake pressure switch (64).
(28)
Pull back rubber boot (65) on air dryer (66).
NOTE
·
M983 with crane has three wires.
·
Do step (29.1) for M978 only if equipped with high mount stop light.
(29)
Remove nut (67), two lockwashers (68), and two wires (69).
(29.1) Disconnect connector (69.1) from connector (69.2).
(30)
Remove chassis harness
connector (70) from
receptacle (71) under cab
floor (72).