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
3. Check for open ground circuit.
1. If continuity is present, replace
6.
One or More Worklights
(a) Battery disconnect switch remains
worklight housing (WP 0072 00).
Are Inoperative -
in ON position (TM 5-3805-291- 2. If continuity is not present, there is an
Continued.
10).
open worklight ground circuit. Replace
(b) Wiring harness remains
wiring harness in question (WP 0195
disconnected from worklight
00 thru WP 0201 00).
housing.
(c) Turn worklight and engine start
switches to OFF position (TM 5-
3805-291-10).
(d) Check continuity at worklight
housing between wiring harness
pin 2, wire 200 (BK), and ground.
4. Check for open power circuits.
1. If battery voltage is not present, go to
(a) Disconnect wiring harness from
Test 5.
inoperative worklight housing
2. If battery voltage is present, there is an
(WP 0072 00).
open circuit in worklight housing
(b) Turn battery disconnect, engine
ground circuit (200 (BK). Replace
start, and worklight switches to
wiring harness in question (WP 0195
ON position (TM 5-3805-291-10).
00 thru WP 0201 00).
(c) Select service drive mode on main
light switch (TM 5-3805-291-10).
(d) If rear worklights are inoperative,
measure voltage at worklight
housing between wiring harness
pin 1, wire 608 (GN), and ground.
(e) If front worklight is inoperative,
measure voltage at worklight
between wiring harness pin 1, wire
607 (PK), and ground.
5. Check for continuity in power circuits. 1. If continuity is not present, there is an
(a) Disconnect wiring harness from
open circuit between worklight and
worklight switch (WP 0072 00).
worklight switch. Replace wiring
(b) Place battery disconnect and
harness in question (WP 0195 00 thru
engine start switches in ON
WP 0201 00).
position (TM 5-3805-291-10).
2. If continuity is present, go to Test 6.
(c) Select service drive mode on main
light switch (TM 5-3805-291-10).
(d) If front worklights are inoperative,
check continuity at worklight
switch between wiring harness pin
3, wire 607 (PK), and ground.
(e) If rear worklights are inoperative,
check continuity at worklight
switch between wiring harness pin
6, wire 608 (GN), and ground.
0008 00-37
