TM-9-2320-272-23-3
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 3 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-3 - Page 129 of 1469
INSTALLATION - Continued
12.
Connect two wires (Figure 14, Item 24) to spring brake pressure switch (Figure 14, Item 25).
13.
Connect wire (Figure 14, Item 3) to engine temperature gauge (Figure 14, Item 2).
14.
Connect wire (Figure 14, Item 23) to transmission oil temperature gauge (Figure 14, Item 27).
15.
Connect wire (Figure 14, Item 19) to engine oil pressure gauge (Figure 14, Item 20).
16.
Connect wire (Figure 14, Item 17) to fuel gauge (Figure 14, Item 18).
17.
Connect five wires (Figure 14, Item 6) to instrument cluster lights (Figure 14, Item 5).
18.
Connect wire (Figure 14, Item 21) to wire (Figure 14, Item 22) on instrument cluster wire assembly
(Figure
14,
Item
4).
19.
Connect wires (Figure 14, Items 13, 14, and 15) to starter switch (Figure 14, Item 16).
20.
Connect wire (Figure 14, Item 10), two wires (Figure 14, Item 11), and wire (Figure 14, Item 12) to battery
switch (Figure 14, Item 9).
21.
Connect tachometer driveshaft (Figure 14, Item 8) to tachometer on instrument panel (Figure 14, Item 26).
22.
Connect speedometer driveshaft (Figure 14, Item 7) to speedometer on panel (Figure 14, Item 26).
23.
Install air tube (Figure 14, Item 1) to air pressure gauge (Figure 14, Item 28) on panel (Figure 14, Item 26).
M4089DAA
22
23
24
25
26
20
19
6
5
13
15
16
17
14
12
11
10
9
8
6
7
5
6
5
4
3
2
1
18
6
5
27
28
21
Figure 14.
Front Wiring Harness Replacement.
TM 9-2320-272-23-3
0357
0357-28
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