TM 5-3825-270-23&P
0057
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.
3.
Connect red multimeter lead to UPIK harness connector pin I.
UPIK HARNESS
CONNECTOR
PIN I
Figure 10. UPIK Harness Connector Pin I - Step 7.
4.
Connect black multimeter lead to a known good ground.
5.
Note multimeter reading.
CONDITION/INDICATION
Are less than 200 ohms measured at UPIK harness connector pin I to known good ground?
DECISION
No - Wiring in water distributor UPIK harness is faulty. Replace UPIK harness. (WP 0108) Verify problem is
solved. (Step 8 - Does cab control box ENGINE OFF/BATTERY DRAIN indicator illuminate?)
Yes - Wiring in cab control box harness is faulty. Replace cab control box wiring harness. (WP 0206) Verify
problem is solved. (Step 8 - Does cab control box ENGINE OFF/BATTERY DRAIN indicator illuminate?)
STEP 8
Does cab control box ENGINE OFF/BATTERY DRAIN indicator illuminate?
1.
If disconnected, connect batteries. (WP 0085)
2.
Ensure water distributor is set up to be operated using cab control box. (TM 5-3825-270-10)
3.
Rotate EMERGENCY STOP switch to on position. (TM 5-3825-270-10)
4.
Observe cab control box ENGINE OFF/BATTERY DRAIN indicator.
