TM 5-3825-270-23&P
0063
PIN M
UPIK HARNESS
CONNECTOR
Figure 7. UPIK Harness Connector Pin M - Step 5.
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 M to known good ground?
DECISION
No - Replace UPIK harness. (WP 0108) Verify problem is solved. (Step 6 - Does cab control box LEFT WATER
SPRINKLER switch operate?)
Yes - Wiring in cab control box harness is faulty. Replace cab control box wiring harness. (WP 0206) Verify
problem is solved. (Step 6 - Does cab control box LEFT WATER SPRINKLER switch operate?)
STEP 6
Does cab control box LEFT WATER SPRINKLER switch operate?
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.
Operate water sprinklers using cab control box LEFT WATER SPRINKLER switch.
LEFT WATER
SPRINKLERS
SWITCH
Figure 8. Left Water Sprinkler Switch - Step 6.
CONDITION/INDICATION
Does cab control box LEFT WATER SPRINKLER switch operate?