TM 5-3825-270-23&P
0035
GAUGE
HARNESS
CONNECTOR
1
2
3
4
5
6
BACK OF
CONTROL PANEL
Figure 7. Gauge Harness Connector - Step 4.
4.
With the aid of an assistant using jumper wire, connect black multimeter probe to white wire on engine oil
pressure sending unit.
ENGINE OIL
PRESSURE SENDING
WHITE
UNIT
WIRE
Figure 8. Engine Oil Pressure Sending Unit - Step 4.
5.
Note reading.
CONDITION/INDICATION
Are less than 200 ohms measured from engine OIL PRESSURE gauge harness connector pin 3 to engine oil
pressure sending unit?
DECISION
No - Go to step 5. (Step 5 - Are less than 200 ohms measured from ENGINE OIL PRESSURE gauge harness
connector, pin 3 to interconnect harness connector, terminal 20?)
Yes - Replace engine oil pressure sending unit. (WP 0137) Verify problem is solved. (Step 6 - Does ENGINE
OIL PRESSURE gauge read normal?)
STEP 5