TM 9-2320-269-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM - CONTINUED
24-VOLT CONVERTER NOT WORKING - CONTINUED
Step 5. Test ground wire (1) for resistance.
a. Connect ohmmeter to wire (1), check reading, and disconnect.
b. If meter reads more than zero ohms resistance, replace wire (1).
c. Install wire (1) as needed using flat-tip screwdriver, 7/16-inch socket, handle, and 7/16-inch wrench.
Step 6. Test for 12 volts at the converter (2).
a. Turn key switch and coverter switch to the ON position.
b. Connect voltmeter to ground and number two terminal (3). Check reading, and disconnect.
c. If meter reads less than 12 volts, turn converter switch and key switch to the OFF position. Install seat back
(4) using 9/16-inch wrench, and notify Direct Support Maintenance.
Step 7. Test for 12 volts at converter number three terminal (5).
a. Connect voltmeter to ground and terminal (5), check reading, and disconnect.
b. If meter reads less than 12 volts, turn converter switch and key switch to the OFF position, and replace
converter (2) (page 2-425).
Step 8. Test converter (2) for 24 volts.
a. Connect voltmeter to ground and number seven terminal (6). Pull light switch to the ON position. Check
meter reading. Push light switch to the OFF position, and disconnect meter.
b. Connect voltmeter to ground and number eight terminal (7). Turn left turn signal on. Check meter reading.
Turn left turn signal off, and disconnect meter.
c. Connect voltmeter to ground and number nine terminal (8). Turn right turn signal on. Check meter reading.
Turn right turn signal off, and disconnect meter.
2-90
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