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TM 10-3930-643-20
ELECTRICAL SYSTEM TROUBLESHOOTING AND MAINTENANCE. (cont)
5 - 8 .
Instrument Panel Troubleshooting. (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
a .
LOW AIR PRESSURE WARNING LIGHT DOES NOT OPERATE. (cont)
Step 3.
Test the continuity of the wire assembly. Disconnect Terminal
D from low air pressure indicator, as shown.
Connect multi-
meter to Connector C and Terminal D.
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 4.
Return M10A Forklift to original equipment condition.
b .
HYDRAULIC FILTER WARNING LIGHT DOES NOT OPERATE.
Step 1.
Check the hydraulic filter warning light bulb.
If the bulb is burned out, replace, refer to paragraph 5-24.
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 2.
T e s t t h e c o n t i n u i t y o f t h e h y d r a u l i c f i l t e r w a r n i n g l i g ht
assembly. Disconnect harness assembly at Connectors A and B,
as shown. Connect multimeter to both connectors.
If the multimeter needle does not move, the circuit does not have
continuity. Replace hydraulic filter warning light assembly, refer
to paragraph 5-24.
Step 3.
Test the continuity of the wire assembly. Disconnect instrument
panel harness from intermediate harness, as shown. Connect
multimeter to Connector C and Pin F.
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.
5-40
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