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 767 of 1275

TM 9-2350-311-20-1

8-48 HEADLIGHT WIRING HARNESS — CONTINUED

a. Removal

Ensure MASTER switch is OFF when working on hull electrical system to avoid

electrical shocks and burns.

Remove headlight wiring harness (para 8-24).

b. Installation

Ensure MASTER switch is OFF when working on hull electrical system to avoid

electrical shocks and burns.

Install headlight harness (para 8-24).

8-49 BULKHEAD-TO-PORTABLE INSTRUMENT PANEL WIRING HARNESS

This task covers:

a. Disassembly

b. Assembly

T

OO

I

S

Equipment Conditions

. .

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

Batteries disconnected (para 8-28)

Electrical tape — black (item 62, Appx D)

NOTE

Ž

For removal and installation of the bulkhead-to-portable instrument panel wiring

harness, notify support maintenance.

Ž

On vehicles with engine model 7083-7396, connectors 19 and 22 are used for the

flame heater system. On vehicles with engine model 7083-7391, connectors 19

and 22 are used for the glow plug controller system.

8-122

WARNIN G

WARNING