TM-9-2320-366-20-1

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

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

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-1 - Page 674 of 1824

TM 9-2320-366-20-1

e21. TACHOMETER DOES NOT ILLUMINATE (CONT)

KNOWN INFO

Hazard lights switch

illuminates.

Tachometer OK.

POSSIBLE PROBLEMS

TEST OPTIONS

REASON FOR QUESTION

Continuity Test or

STE/ICE-R Test #91

CAUTION

Read CAUTION

on following page.

Faulty auxiliary panel cable

assembly.

Faulty dashboard cable

assembly.

If continuity is not present,

auxiliary panel cable assembly

is faulty.

4.

2-402.4

Change 1

Is continuity present from

connector P901 socket 1 to

connector P913 pin 10?

NO

YES

Repair wire 3020 from connector P901

socket 1 to connector P913 pin 10

(para 2-45) or replace auxiliary panel

cable assembly (para 7-58).

Repair wire 3020 from connector J913

socket 10 to terminal board TB2 position 31

(para 2-45) or replace WTEC II dashboard

cable assembly (para 7-10) or WTEC III

dashboard cable assembly (para 7-11).