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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
r. START SWITCH DOES NOT OPERATE.
Step 2.
Test the continuity of the wire assembly. Disconnect harness
assembly at Connector A
from
s t a rt
s w i t c h , as
shown.
Disconnect instrument panel harness from intermediate harness,
as shown. Connect multimeter to Connector A and Pin L.
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.
Return M10A Forklift to original equipment condition.
s .
ENGINE FAN OFF SWITCH DOES NOT OPERATE.
NOTE
Before proceeding with continuity tests, refer to paragraph 2-13 for
i n i t i a l s e t u p i n s t r u c t i o n s .
Step 1.
Test the continuity of the engine fan off switch. Turn switch
to ON position.
Connect multimeter to terminals at the back of
switch.
5-69
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