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Page Title: HYDRAULIC SUSPENSION LOCKOUT WILL NOT ENGAGE (HMMH) (REG. NO. UC053E THRU UC053K) cont'd
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TM
5-2420-224-20-1
Table 3-5. Troubleshooting (Cont)
Malfunction
Test or Inspection
Corrective ActIon
ELECTRICAL SYSTEM (CONT)
Step 40. Check for +24 VDC between wire (46) and wire (47) and ground at
suspension lockout pump motor connector (49).
If +24 VDC is not present, repair wiring (46) and wiring (47)
between cab floor separation point and pump motor connector.
If +24 VDC is present, replace hydraulic suspension lockout
pump (page 4-51 1).
Step 41. Check for +24 VDC between wire (50) and ground at connector AA (48).
If +24 VDC is not present, repair wiring (50) between D+ relay
and connector AA.
If +24 VDC is present, go to step 42.
3-250

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