TM 5-2420-231-23-1
0013
Table 1. Engine Does Not Crank or Cranks Slowly - Continued.
013
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. Using a digital multimeter, mea-
Engine Does Not Crank or
Resistance 5.0 Ohms or Less -
sure resistance between front
Cranks Slowly - Continued
Proceed to step 10.
main chassis wiring harness con-
Resistance Greater Than 5.0 Ohms -
nector (WP 0007, Figure 6) termi-
Replace main chassis wiring harness
nal A5 and machine ground.
(WP 0154). Install all relays.
Resistance should be 5.0 ohms or
Proceed to Test Step 7.
less.
10. Remove jumper wire from main
chassis wiring harness connector
(WP 0007, Figure 19) terminal 1
and machine ground.
11. Install neutral relay (WP 0007,
Figure 22) and starter relay (WP
0007, Figure 23) on relay wiring
harness connectors.
12. Connect 24-volt connector to 24-
volt junction.
13. Connect ignition switch wiring har-
ness connector to ignition switch.
14. Connect side console wiring har-
ness connector to rear main chas-
sis wiring harness connector and
install instrument panel right-side
cover.
15. Connect front console wiring har-
ness connector to main chassis
wiring harness connector.
16. Connect batteries (WP 0157).
17. Using a digital multimeter, mea-
Voltage 18 to 28 Volts - Replace
starter (WP 0152).
sure voltage between starter sole-
Proceed to Test Step 7.
noid wiring harness connector
Voltage Less Than 18 Volts - Replace
terminal 1 (WP 0007, Figure 19)
starter relay (WP 0007, Figure 23).
and machine ground while ignition
Connect main chassis wiring harness
switch is in the start position (TM
connector (WP 0007, Figure 19) to
5-2420-231-10). Voltage should be
starter.
18 to 28 volts.
Install front instrument panel right-side
cover (WP 0176).
Install instrument panel front covers
(WP 0174).
Proceed to Test Step 7.
Test Step 7. Verify That Symptom Is
Resolved.
Attempt to start engine (TM 5-2420-
Engine Starts and Runs -
231-10). Engine should start and run.
Troubleshooting complete.
Symptom Remains - Repeat
troubleshooting from the beginning.
END OF WORK PACKAGE
0013-21/(22 blank)
