Check voltages at the "T" harness per chart IX.

TB 9-2350-257-20-1

STEP 22

Start engine Set Idle speed to 750 RPM Obtain minimum

c. If voltage between pins F and C is not between

load by turning OFF all lights, ventilator blowers and

24-29 VDC. replace the voltage regulator

radio equipment

d. If voltage between D and C is not between 10-20

Check voltages at the "T" harness per chart IX.

VAC, * replace generator.

a. It voltage between A and C is not between 25-30

VDC, replace voltage regulator

b. If voltage between pins E and C is not between

1-5 VDC, replace the voltage regulator

CHART IX

Connector

From (+)

To (-)

Voltage

Test Harness

C (GROUND)

25-30 VDC

Test Harness

C (GROUND)

1-5 VDC

Test Harness

C (GROUND)

24-29 VDC

Test Harness

C (GROUND)

10-20 VAC*