TM 5-3825-270-23&P
0037
2.
Connect red multimeter probe to grey wire on tachometer.
GREY
PULSE ADJUSTMENT
WIRE
DIAL
RED
WIRE
BLACK
WIRE
Figure 10. Tachometer Grey Wire - Step 6.
3.
Connect black multimeter probe to interconnect terminal strip, terminal 17.
INSIDE OF
15-AMP
CONTROL PANEL
CIRCUIT BREAKER
20
1
1
15
5
5
EMERGENCY
10
10
10
STOP SWITCH
5
15
15
1
20
20
POSITIVE
NEGATIVE
INTERCONNECT
TERMINAL STRIP
TERMINAL STRIP
TERMINAL STRIP
Figure 11. Interconnect Terminal Strip - Step 6.
4.
Note multimeter reading.
CONDITION/INDICATION
Are less than 200 ohms measured from grey wire on tachometer to interconnect terminal strip terminal 17?
DECISION
No - Replace clear wire from interconnect terminal strip terminal 17 to alternator. (WP 0099) Verify problem is
solved. (Step 7 - Does tachometer operate normally?)
Yes - Replace grey wire from tachometer to interconnect terminal strip, terminal 17 (WP 0099) Verify problem
is solved. (Step 7 - Does tachometer operate normally?)
STEP 7
