TM 9-2320-272-24-2
3-470. CTIS WIRING HARNESS REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
M939A2
TM 9-2320-272-10
TM 9-2320-272-24P
TOOLS
General mechanic's tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
l Parking brake set (TM 9-2320-272-10).
MATERIALS/PARTS
Battery ground cables disconnected (para. 3-126).
l
Grommet (Appendix D, Item 252)
Tiedown straps (Appendix D, Item 690)
a. Removal
NOTE
When removing CTIS wiring harness, note location of all
l
tiedown straps and protective covering for installation.
Tag all wiring harness leads and note routing for installation.
l
Disconnect
wiring harness connector (12) from ECU receptacle (9).
1.
Disconnect
wiring harness connector (10) from amber warning light wire (11).
2.
Disconnect
wiring harness connector (18) from power and ground cable (17).
3.
Disconnect
wiring harness connector (15) from blackout wire (16).
4.
Disconnect
wiring harness connector (20) from pressure transducer (19).
5.
Disconnect
wiring harness connector (22) from pneumatic controller solenoid receptacle (21).
6.
Disconnect
wiring harness connector (1) from speed signal generator wire (23) on transfer case (5).
7.
Disconnect
wire (4) from pressure switch wire (24) located on right frame rail (2) above wet
8.
tank (3).
Remove screw (26), washer (27), and clamp (28) from wiring harness (7) and bracket (25).
9.
Remove screw (30), washer (29), and clamp (31) from wiring harness (7) and firewall (13).
10.
Remove wiring harness (7) from frame rails (2) and (8) and crossmember (6).
11.
Carefully pull wiring harness (7) through grommet (14) on firewall (13).
12.
NOTE
Perform step 13 if grommet is damaged.
Remove grommet (14) from firewall (13). Discard grommet (14).
13.
3-1284
