TM 5-5420-226-20-1
Symptom-47
DETAILED
TROUBLESHOOTING
PROCEDURE
T
INDICATOR
- LAMP
(Continued)
~ Check contact
F of basket-control
panel accessories
harness connector
(CKT 519) at master control
panel
for electrical
power.
Second Technician
(Operators
Station)
l
l
l
l
l
l
l
l
Set MASTER
BATTERY
switch OFF.
Connect master control panel accessories harness
connector
to HI BEAM indicator
lamp,
Disconnect
basket-control
panel accessories harness
connector
from master control panel.
Connect red probe of meter to contact F (CKT 5 19) of
basket-control
panel accessories harness connector
at
master control panel and black probe to ground.
Set MASTER
BATTERY
switch ON.
Check if meter indicates
18 to 30 volts dc.
Press and release foot DIMMER
SWITCH.
Check if meter indicates
18 to 30 volts dc.
Does meter indicate
18 to 30 volts dc at either foot
DIMMER SWITCH position?
TO VEHICLE
GROUND
CONTACT
F
(CKT 519)
\
+!m
En
w
.
(page 10-91).
TA1072O8
4-519