TB 9-2320-335-13&P
11-99. A/C AND FAN TOGGLE SWITCHES AND JUMPER WIRES REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Manual References
All models except M1113, M1114
TM 9-2320-387-10
TM 9-2320-387-24P
Tools
Equipment Condition
General mechanic's tool kit:
automotive (Appendix B, Item 1)
Instrument cluster removed (para. 4-14.1).
Maintenance Level
Unit
a. Removal
NOTE
Prior to removal, tag all leads for installation.
Attaching hardware is part of switch assembly.
Perform steps 1 through 4 if removing toggle switches only.
Perform steps 3 through 7 if removing A/C jumper wires only.
1.
Remove nut (8) and lockwasher (7) from A/C toggle switch (6) and remove A/C toggle switch (6) from
instrument panel (5). Discard nut (8) and lockwasher (7).
2.
Remove nut (9) and lockwasher (10) from fan toggle switch (11) and remove fan toggle switch (11)
from instrument panel (5). Discard nut (9) and lockwasher (10).
3.
Disconnect two A/C toggle switch leads (3) from A/C toggle switch wiring harness (13) and jumper
harness lead (4).
4.
Disconnect three fan toggle switch leads (2) from wiring harness (1) and jumper harness leads (4).
5.
Disconnect two resistor leads (12) from A/C switch jumper wiring harness leads (4) and remove A/C
switch jumper wire (14) from instrument panel (5).
6.
Disconnect A/C toggle switch jumper wiring harness (13) from A/C wiring harness (15).
7.
Remove A/C toggle switch jumper wiring harness (13) from "A" beam (16) and P-clamp (17).
b. Installation
NOTE
Perform steps 1 through 5 if installing A/C jumper wires only.
Perform steps 4 through 7 if installing toggle switches only.
1.
Route A/C toggle switch jumper wiring harness (13) through "A" beam (16) securing with existing P-
clamp (17).
2.
Connect A/C toggle switch jumper wiring harness (13) to A/C wiring harness (15).
3.
Connect two resistor leads (12) to jumper harness leads (4) and install A/C switch jumper wire (14)
on instrument panel (5).
4.
Connect three fan toggle switch leads (2) to wiring harness (1) and A/C switch jumper harness
leads (4).
5.
Connect two A/C toggle switch leads (3) to A/C toggle switch wiring harness (13) and jumper harness
leads (4).
6.
Install fan toggle switch (11) on instrument panel (5) with lockwasher (10) and nut (9).
7.
Install A/C toggle switch (6) on instrument panel (5) with lockwasher (7) and nut (8).
11-2