TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
10. NO TRANSIT LIGHT DOES NOT OPERATE PROPERLY (MODEL A ONLY)
(continued).
VOLTAGE TEST
(1) Remove four screws and
lockwashers and access cover
from heater compartment.
(2) Remove cab control box connector
(P2) from cab control box.
~
(3) Turn engine start switch to ON
position.
(4) Turn light control switch to STOP
LIGHT position.
ACCESSPANEL
(5) Set multimeter to voltage position.
(6) Place positive (+) probe of
multimeter on position N of cab
control box connector (J2).
CAB CONTROL BOX
(7) Place negative (-) probe of
CONNECTOR (J2)
multimeter on known good ground,
and check multimeter for voltage
reading.
(8) Turn engine start switch and light
control switch to OFF position.
CAB CONTROL BOX
CONNECTOR (P2)
4-187
Change 1
