TM 5-3825-270-23&P
0061
CAB CONTROL
BOX SCREWS
CAB CONTROL
BOX SCREWS
Figure 3. Cab Control Box Screws - Step 3.
2.
Rotate EMERGENCY STOP switch to on position. (TM 5-3825-270-10)
3.
Ensure multimeter is set to measure voltage.
WARNING
Remove all jewelry such as rings, ID tags, bracelets, etc., prior to working on or around
vehicle. Jewelry and tools can catch on equipment, contact positive electrical circuits, and
cause a direct short, severe burns, or electrical shock. Failure to comply may result in injury
or death to personnel.
4.
Connect red multimeter lead to red wire on cab control box engine speed RPM switch.
BACK OF CAB
CONTROL BOX
WHITE WIRE
CAB
CONTROL BOX
ENGINE SPEED
RED JUMPER WIRES
RPM SWITCH
BLACK WIRE
Figure 4. Cab Control Box Engine Speed RPM Switch - Step 3.
5.
Connect black multimeter lead to a known good ground.
6.
Note multimeter reading.
CONDITION/INDICATION
Are 22 to 28 VDC measured at red wire on cab control box engine speed RPM switch?