TM-9-2320-365-20-1

M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-365-20-1 - Page 612 of 1760

e18E. WATER TEMP GAGE DOES NOT ILLUMINATE (CONT)

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

TEST OPTIONS

REASON FOR QUESTION

Voltage Test or

STE/ICE-R Test #89

If 12 VDC is not present,

dimmer switch is faulty.

KNOWN INFO

POSSIBLE PROBLEMS

Circuit breaker CB70 OK.

Main light switch OK.

Faulty dimmer switch.

Faulty dashboard cable

assembly.

Faulty WATER TEMP gage.

Is 12 VDC present at

dimmer switch connector

socket 2?

YES

Replace dimmer switch

(para 7-12).

NO

4.

TM 9-2320-365-20-1

2-380.24

Change 1