TM 9-2350-256-20-1
0050 00
CORRECTIVE ACTION Continued
2.
Reconnect gage panel to bulkhead wiring harness to gage panel. Disconnect wire 27A from engine
oil pressure gage. Place red lead of multimeter in wire 27A and black lead to ground. Turn MASTER
switch on and check for voltage. Turn MASTER switch OFF. If voltage is present, go to step 3. If
voltage is not present, repair/replace wire 27A of gage panel wiring harness (see WP 0193 00).
Reconnect wire 27A to engine oil pressure gage. Disconnect wire 36 from engine oil pressure gage.
3.
Turn MASTER switch on and check engine oil pressure gage for operation. Engine oil pressure gage
should read "0." Ground case of engine oil pressure gage and check gage for operation. Gage should
read full scale. Turn MASTER switch OFF. If engine oil pressure gage reads correctly, go to step 4. If
engine oil pressure gage fails to read correctly, replace engine oil pressure gage (see WP 0157 00).
0050 00-4
