Table 3-5. Troubleshooting (Cont) -680640205

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ENGINE (CONT)

Step 17. With engine start switch and starter switch depressed, check for +24 VDC

between wire 212 (19) and ground at relay K1 (20).

If +24 VDC is not present, repair wiring 212 between starter

switch and relay K1.

If +24 VDC is present, go to step 18.

Step 18. Check for +24 VDC between wire 132 (21) and ground at iginition switch (8).

If +24 VDC is not present, replace ignition switch (page 4-131).

If +24 VDC is present, go to step 19.

Step 19. Check for +24 VDC between wire 132 (21) and ground at relay K1 (20).

If +24 VDC is not present, repair wiring 132 between ignition

switch and relay K1.

If +24 VDC is present, go to step 20.

Step 20. With engine start switch and starter switch depressed, check for +24 VDC

between wire 213 (22) and ground at relay K1 (20).

If +24 VDC is not present, replace relay K1.

If +24 VDC is present, go to step 21.

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