TM 5-3825-270-23&P
0035
GAUGE
HARNESS
CONNECTOR
1
2
3
4
5
6
BACK OF
CONTROL PANEL
Figure 3. Gauge Harness Connector - Step 2.
4.
Set multimeter to measure voltage.
5.
Rotate EMERGENCY STOP switch to on position. (TM 5-3825-270-10)
6.
Connect red multimeter probe to ENGINE OIL PRESSURE gauge harness connector, pin 6.
Figure 4. Gauge Harness Connector - Step 2.
7.
Connect black multimeter probe to known good ground.
8.
Note multimeter reading.
CONDITION/INDICATION
Are 22 to 28 VDC present at engine OIL PRESSURE gauge harness connector, pin 6?
DECISION
No - Replace red wire from ENGINE OIL PRESSURE gauge harness connector, pin 6 to positive terminal
strip. (WP 0099) Verify problem is solved. (Step 6 - Does ENGINE OIL PRESSURE gauge read normal?)
Yes - Go to step 3. (Step 3 - Are less than 200 ohms measured on black wire from ENGINE OIL PRESSURE
gauge harness connector, pin 5 to negative terminal strip, terminal 16.)
STEP 3
