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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 9. While holding control switch (5) completely out, check for +24 VDC between
wire (9) and ground at D+ relay (7).
If +24 VDC is not present, repair wiring (9) between control
switch and D+ relay.
If +24 VDC is present, go to step 10.
Step 10. While holding control switch (5) completely out, check for +24 VDC
between wire (15) and ground at D+ relay (7).
If +24 VDC is present, go to step 12.
if +24 VDC is not present, go to step 11.
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