TM 9-2320-363-10
2-2.
INSTRUMENT PANEL (Cont).
Key
Control or Indicator
Function
17
Mechanical Switch
Spring-loaded, two-position switch. Operates the
(All Except M915A2
same as mechanical switch on other model trucks.
and M916A1)
Refer to item 17 in subparagraph a(3).
18
Auxiliary Switch
Four-position switch. Operates the same as auxil-
(All Except M915A2
iary switch on other model trucks. Refer to item 18
and M916A1)
in subparagraph a(3).
19
Engine (Jake) Brake
Selects number of engine cylinders desired for
Selection Switches
braking action (two, four, or six cylinders). Turn on
left switch for two cylinders, right switch for four cyl-
inders, and both switches for all six cylinders.
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