TM 9-2320-280-20-2
4-34. BACKUP LIGHT SWITCH REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Material/Parts
M996, M996A1, M997, M997A1, M997A2,
Sealing compound (Appendix C, Item 44)
M1035, M1035A1, M1035A2
Manual References
Tools
TM 9-2320-280-24P
General mechanic’s tool kit:
Equipment Condition
automotive (Appendix B, Item 1)
Shift controls housing removed (para. 5-7 or 5-11).
1. Remove boot (4) from shift control housing assembly (1).
NOTE
Perform step 2 for M996, M996A1, M997, M997A1, M1035, and
M1035A1 vehicles. Perform steps 3 and 4 for M997A2 and M1035A2
vehicles.
2. Remove backup light switch (3) from shift control housing assembly (1).
3. Remove two screws (6) and lockwashers (7) from backup light switch (8) and housing (1). Discard
lockwashers (7).
4. Remove tiedown strap (10) and backup light switch (8) from neutral start switch (9).
b. Installation
NOTE
Perform steps 1 through 3 for M997A2 and M1035A2 vehicles.
1.
2.
3.
4.
5.
4-56
Perform steps 4 and 5 for M996, M996A1, M997, M997A1, M1035,
and M1035A1 vehicles.
Install backup light switch (8) on shift controls housing (1) with two lockwashers (7) and screws (6).
Install tiedown strap (10) on leads from backup light switch (8) and neutral start switch (9).
Position neutral start switch (9) leads and backup light switch (8) leads through boot (4) and install
boot (4) on housing (1).
Apply sealing compound to threads of backup light switch (3), and install backup light switch on
shift control assembly (1).
Position leads from neutral start switch (2), backup light switch (3), and shift selector indicator (5)
through boot (4) and install boot (4) on shift control housing assembly (1).
