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 787 of 1275

TM 9-2350-311-20-1

8-56 POWER LEAD (M109A4/M109A5) — CONTINUED

Connector

Wire

Connector

Wire

No,

Electrical Lead To:

No.

No.

Electrical Lead To:

No.

1

Connector bulkhead

10

8

2

Connector accessory control box

10

3

Connector slip ring segment board

47

4

Connector hull lighting wiring harness

(interconnects with wire 15)

10

5

Connector NBC circuit breaker (to wire 438) 10

9

6

Connector fuel prime pump switch circuit

breaker (to wire 588)

10

10

7

"Y“ connector in-tank fuel pump system

relay (to wire 10)

10

11

Connector starter switch/flame heater

switch circuit breaker (to wire 10) (engine

model 7083-7396) or connector starter

switch/glow plug switch circuit (engine

model 7083-7391)

10

Connector master warning light/engine

instrumentation circuit breaker (to wire 27)

10

Connector bilge pump switch circuit breaker

(to wire 450)

10

Connector auxiliary outlet/dome light circuit

breaker (to wires 37 and 38)

10

8-142