TM-9-2350-311-20-1
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS
AUGUST 1994
TM-9-2350-311-20-1 - Page 762 of 1275
Connector
Wire
No.
Electrical Lead To:
No.
TM 9-2350-311-20-1
Connector
Wire
No.
Electrical Lead To:
No.
6
7
8
9
10
11
12
13
14
Engine coolant temperature transmitter-
to-engine water temperature gage
33A
Transmission oil temperature transmitter-
to-transmission oil temperature gage
324
Transmission oil pressure transmitter-to-
transmission oil pressure switch
321
High/low temperature and pressure
switches/transmitters-to-master
warning light
509
Air cleaner blower motor switch-to-air
cleaner blower motor assembly
415B-76B
Regulator cutoff relay coil energizer
27B
Air cleaner blower motor circuit
415
Master switch voltage regulator
lead
400-459B
Engine starter circuit (starter relay
bilge pump circuit breaker neutral
safety switch)
14/14B/GND
15
16
17
18
19
20
21
22
23
24
25
26
27
Voltage regulator to master relay lead
2
Ground wire
4
Engine bracket disconnect connector
Voltage regulator ground
Engine disconnect
Voltage regulator connector
Starter protection relay
503
Starter protection relay ground
Driver’s bulkhead connector-to-starter
protection relay
14C
Driver’s bulkhead
Driver’s bulkhead
Battery positive terminal
81
Master relay
81
8-117
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