TM 5-3805-291-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 2. Electrical System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. Check service light relay coil power
1. If continuity is not present, there is an
7.
One or Both Service Lights
circuit continuity.
open circuit between service light relay
Are Inoperative -
(a) Disconnect wiring harness from
and main light switch. Replace wiring
Continued.
main light switch (WP 0061 00).
harness in question (WP 0195 00 thru
(b) Service light relay remains
WP 0201 00).
removed.
2. If continuity is present, replace main
(c) Turn battery disconnect and
light switch (WP 0061 00).
engine start switches to OFF
position (TM 5-3805-291-10).
(d) Check continuity between service
light relay wiring harness pin 85,
main light switch wiring harness
pin M, and wire 645 (PK).
1. Determine condition.
1. If two turnlamps on one side of
8.
One Service Stoplamp or
machine are inoperative, go to Test 2.
One or More Turnlamps
2. If one service stoplamp or one front or
Are Inoperative.
both front turnlamps are inoperative,
replace inoperative turnlamp bulb (WP
0071 00) or swap rear light housing
covers side to side (WP 0070 00). If
lamp remains inoperative, there is an
open circuit between turnlamp switch
and inoperative lamp. Replace wiring
harness in question (WP 0195 00 thru
WP 0201 00).
3. If one rear turnlamp is inoperative,
swap rear light housing covers side to
side (WP 0070 00). If lamp remains
inoperative, replace right or left lamp
diode (TM 5-3805-291-10). If problem
still exists, there is an open circuit
between turnlamp switch and
inoperative lamp. Replace wiring
harness in question (WP 0195 00 thru
WP 0201 00).
4. If all turnlamps are inoperative, go to
Test 3.
5. If all stoplamps are inoperative, refer to
Malfunction 10, All Stoplamps Are
Inoperative.
