TM
5-5420-226-20-1
Symptom-62
DETAILED
TROUBLESHOOTING
PROCEDURE
SUPPORT
SYSTEM
- VEHICLE
LIGHTING
FROM
STEP
o2
I
(Continued)
FOR CLARITY
QUADRANT
Check
stoplight
switch
at brake master
cylinder
for
continuity.
1
Second
Technician
(Operutors
Station)
l Set MASTER
BATTERY
switch
OFF.
l Disconnect
basket-light
switch
harness
connector
from
master
cylinder
stoplight
switch.
l Set multimeter
to OHMS
Xl scale and zero
meter, or
use STE/lCE
Test
No. 91 (page
4-83).
l Connect
two probes
of meter
to the two contacts
of
stoplight
switch.
l Press and hold brake pedal.
l Check if meter indicates continuity
while brake pedal is
pressed.
Does meter indicate
continuity?
w
L
Replace
stoplight
switch
(page
13-31).
7
\
ASSEMBLIES
NOT SHOWN
MASTER
CYLINDER
.
Q.
.-..
...
Y+0
MASTER
1
CYLINDER
/n4J
.
STOPLIGHT
~
SWITCH
{/
/
PLUG
w
l 0
CONNECTOR
TA107313
4-624