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TM 10-3930-643-20
ELECTRICAL SYSTEM TROUBLESHOOTING AND MAINTENANCE.
5 - 8.
Instrument Panel Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
v. ETHER START SWITCH DOES NOT OPERATE.
Step 2.
Test the continuity of the wire assembly. Disconnect Terminal
A from ether start switch, as shown. Disconnect harness
assembly at Connector B from start switch, as shown.
Connect
multimeter to Terminal A and Connector B.
If the multimeter needle does not move, the circuit does not have
c o n t i n u i t y . I d e n t i f y a s a d e f e c t i v e w i r e a n d c o n t a c t D i r e ct
Support.
Step 3.
Test the continuity of the wire assembly. Disconnect Terminal
C from ether start switch, as shown.
Disconnect
instrument
panel harness from intermediate harness, as shown.
Connect
multimeter to Terminal C and Pin K.
If the multimeter needle does not move, the circuit does not have
c o n t i n u i t y.
I d e n t i f y a s a d e f e c t i v e w i r e a n d c o n t a c t D i r e ct
Support.
5-73
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