TM 5-3805-261-23-1
ELECTRICAL SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0008 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
e. Place battery disconnect switch to
If voltage is indicated, go to Test 12.
5.
Starting Motor Is Inoperative
ON position and observe
- Continued.
multimeter reading.
f. Place battery disconnect switch to
Repair or replace broken wire(s) (WP
OFF position and check wiring for
continuity.
Test 12.
12. Test engine start switch starter for
continuity.
a. Place battery disconnect switch in
OFF position.
b. Disconnect engine start switch.
c. Connect meter positive lead to
terminal where orange lead
connects (switch side).
d. Connect meter negative lead to
terminal where white lead connects
(switch side).
e. Turn start switch fully to the right.
1. If continuity is indicated, repair open
circuit between engine start switch and
starter relay.
2. If continuity is not indicated, replace
engine start switch (WP 0079 00).
NOTE
6.
Solenoid and Starting Motor
Operate; Engine Cranks
If STE/ICE-R is available, perform Starting System STE/ICE-R Testing
Slowly.
1.
Check batteries for overheating.
a. Crank engine for 15 seconds.
WARNING
Touch terminal connections one at a time; never touch both terminals at
once. Be sure not to be grounded to the machine when checking. Failure to
do so may cause serious personal injury or death.
b. Feel battery terminal connections.
If battery terminal(s) are hot, clean
corroded connection(s). Tighten all loose
connections at batteries, ground, and
starter. If the problem still exists, go to
Test 2.
2.
Test specific gravity for each battery,
If the problem still exists, go to Test 3.
perform Malfunction 1, Test 1.
3.
Test starting motor voltage.
