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
2. Check for open power circuit.
1. If continuity is present, replace
8.
One Service Stoplamp or
(a) Disconnect wiring harness from
turnlamp switch (WP 0066 00).
One or More Turnlamps
front turnlamp housing (WP 0071 2. If continuity is not present, there is an
Are Inoperative -
00).
open circuit between inoperative
Continued.
(b) Disconnect wiring harness from
turnlamp and turnlamp switch. Replace
front turnlamp housing (WP 0071
wiring harness in question (WP 0195
00).
00 thru WP 0201 00).
(c) For right side, check for continuity
at turnlamp wiring harness pin 1,
wire 606 (GY), and turnlamp
switch harness pin 2, wire 606
(GY).
(d) For left side, check continuity at
turnlamp between wiring harness
pin 1, wire 605 (YL), and turnlamp
switch pin 3, wire 605 (YL).
3. Check for open turnlamp switch power 1. If battery voltage is not present, go to
circuit.
Test 4.
(a) Disconnect wiring harness from
2. If battery voltage is present, replace
turnlamp switch (WP 0066 00).
turnlamp switch (WP 0066 00).
(b) Turn battery disconnect and
engine start switches to ON
position (TM 5-3805-291-10).
(c) Select service drive mode on main
light switch (TM 5-3805-291-10).
(d) Measure voltage at turnlamp
switch between wiring harness pin
1, wire 642 (WH), and ground.
4. Check for open turnlamp switch power 1. If continuity is not present, there is an
circuit.
open circuit between flasher and
(a) Disconnect wiring harness from
turnlamp switch. Replace wiring
turnlamp flasher located under
harness in question (WP 0195 00 thru
instrument cluster (WP 0065 00).
WP 0201 00).
(b) Turn battery disconnect and
2. If battery voltage is present, go to Test
engine start switches to ON
5.
position (TM 5-3805-291-10).
(c) Select service drive mode on main
light switch (TM 5-3805-291-10).
(d) Check for continuity at turnlamp
flasher between wiring harness pin
2, wire 642 (WH), and turnlamp
switch wiring harness pin 1, wire
642 (WH).
0008 00-43
