TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
10. NO TRANSIT LIGHT DOES NOT OPERATE PROPERLY (MODEL A ONLY)
(continued).
CONTINUITY TEST
CAUTION
Electrical power must be shut off
from circuit before continuity can
be checked. Failure to comply
with this cauiton may result in dam-
~
age to test equipment or electrical
system.
(1) Set multimeter to ohms position.
ACCESSPANEL
NOTE
A reading of infinity indicates an
CAB CONTROL BOX
open circuit.
CONNECTOR (J2)
(2) Connect one multimeter lead to cab
control box connector (J2), position
Q.
(3) Connect the other multimeter lead to
a known good ground, and check
multimeter for continuity.
4-189
Change 1
