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 1107 of 1275

TM 9-2350-311 -20-1

14-8 COOLANT HEATER WIRING HARNESSES

This task covers:

a. Removal

b. Installation

General mechanic’s tool kit (item 64, Appx H)

a. Removal

For removal, follow illustrations and legend as a guide.

b. Installation

For installation, follow illustrations and legend as a guide.

LEGEND

1 Connector-to-driver’s compartment bulkhead

2 Connector coolant heater

3 Terminal-circulating pump

4 Connector fuel pump

5 Terminal ground

6 Connector heater control box

7 Connector heater control box (wire 400)

8 Connector wiring harness 10930473-to-MASTER

switch

9 Connector control circuit rectifier

10 Connector driver’s compartment bulkhead

14-14