TACHOMETER DOES NOT OPERATE OR IS INACCURATE (CONT)

TM 9-2320-366-20-1

e14. TACHOMETER DOES NOT OPERATE OR IS INACCURATE (CONT)

CAUTION

Read CAUTION

KNOWN INFO

TEST OPTIONS

on following page.

Continuity Test or

Tachometer illuminates.

STE/ICE-R Test #91

VOLTS gage OK.

Is continuity present from

Engine speed sensor OK.

REASON FOR QUESTION

connector P901 pin 4 to

POSSIBLE PROBLEMS

This question eliminates

connector PX26 socket 1?

possible problems and

Faulty dashboard cable

determines where

assembly.

troubleshooting continues.

Faulty auxiliary panel cable

assembly.

YES

Go to step 9 of this task.

Repair wire 1444 from connector PX26

socket 1 to connector J31 pin 8 (para 2-45)

or replace WTEC II dashboard cable assembly

(para 7-10) or WTEC III dashboard cable

assembly (para 7-11).

2-366.2

Change 1