TM 5-3825-270-23&P
0067
DECISION
No - Replace red wire between ENGINE START/STOP switch and cab control box LIGHTS switch.
(WP 0099) Verify problem is solved. (Step 8 - Does cab control box ENGINE START/STOP switch operate?)
Yes - Go to step 4. (Step 4 - Are less than 200 ohms measured on black wire at cab control box ENGINE START/
STOP switch to known good ground?)
STEP 4
Are less than 200 ohms measured on black wire at cab control box ENGINE START/STOP switch to known
good ground?
1.
Push in EMERGENCY STOP switch to off position. (TM 5-3825-270-10)
2.
Disconnect batteries. (WP 0085)
3.
Set multimeter to measure continuity.
4.
Connect red multimeter lead to black wire at cab control box ENGINE START/STOP switch.
CAB
WHITE WIRE
CONTROL BOX
ENGINE
START/STOP
RED WIRE
SWITCH
BLACK WIRE
BACK OF CAB
CONTROL BOX
Figure 5. Cab Control Box Engine Start/Stop Switch - Step 4.
5.
Connect black multimeter lead to known good ground.
6.
Note multimeter reading.
CONDITION/INDICATION
Are less than 200 ohms measured on black wire at cab control box ENGINE START/STOP switch to known
good ground?
DECISION
No - Go to step 7. (Step 7 - Are less than 200 ohms measured at UPIK harness connector pin F to known good
ground?)
Yes - Go to step 5. (Step 5 - Are less than 200 ohms measured on white wire at cab control box ENGINE START/
STOP switch to known good ground?)
STEP 5
Are less than 200 ohms measured on white wire at cab control box ENGINE START/STOP switch to known
good ground?
1.
Ensure multimeter is set to measure continuity.