TM
5-5420-226-20-1
Symptom-61
DETAILED
TROUBLESHOOTING
PROCEDURE
SUPPORT
SYSTEM
- VEHICLE
LIGHTING
FROM
STEP
(Continued)
o2
I
n
)
!I
#Check
stoplight
switch
at brake
master
cylinder
for
I
continuity.
Second
Technician
(Operators
Station)
l
l
l
l
l
Set MASTER
BATTERY
switch
OFF.
Disconnect
basket-light
switch
harness
connector
(CKT
75) from
master
cylinder
stoplight
switch.
Set multimeter
to OHMS
X 1 scale and zero
meter or
use STE/ICE
Test
No. 91 (page
10-83).
Connect
two probes
of meter
to the two contacts
of
stoplight
switch.
Press
and hold
brake
pedal.
Check if meter indicates
continuity
while brake pedal is
pressed.
Does meter
indicate
continuity?
I
FOR CLARITY
QUADRANT
ASSEMBLIES
NOT SHOWN
\
II
+
o
CONNECTOR
-WI lklnl=D
STOPLIGHT
SWITCH
CONTACTS
w
Replace
stopllght
switch
(page
13-31).
TA1073O5
4-616