TM 5-3805-296-23-2
0136
Table 1. One or Both Blackout Tail Lights Do Not Operate Continued.
0136
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 13. Test Chassis Wiring
One or Both Blackout Tail
Harness for High Resistance or
Lights Do Not Operate
Open.
Continued
1. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to step 2.
between connector J-C8
Resistance Greater Than 5.0 Ohms
terminal 27 (WP 0012, Figure 100)
Replace chassis wiring harness
and connector J-C6 terminal 5
(WP 0305).
(WP 0012, Figure 141).
Proceed to Test Step 20.
2. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 14.
between connector J-C6
Resistance Greater Than 5.0 Ohms
terminal 12 (WP 0012, Figure 141)
Replace chassis wiring harness
and ground.
(WP 0305).
Proceed to Test Step 20.
Test Step 14. Test for Shorted Main
Cab Wiring Harness.
1. Disconnect connector H-C7
(WP 0012, Figure 225) from
connector W-C2
(WP 0012, Figure 224).
2. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C1
Proceed to Test Step 20.
terminal 27 (WP 0012, Figure 99)
No Continuity Proceed to step 3.
and all other terminals in
connector W-C1
(WP 0012, Figure 99).
3. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C1
Proceed to Test Step 20.
terminal 27 (WP 0012, Figure 99)
No Continuity Proceed to step 4.
and ground.
4. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C2 terminal
Proceed to Test Step 20.
24 (WP 0012, Figure 224) and all
No Continuity Proceed to Test
other terminals in connector W-C2
Step 15.
(WP 0012, Figure 224).
Test Step 15. Test Main Cab Wiring
Harness for High Resistance or
Open.
1. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 16.
between connector W-C2
Resistance Greater Than 5.0 Ohms
terminal 24 (WP 0012, Figure 224)
Replace main cab wiring harness
and connector W-C1
(WP 0505).
(WP 0012, Figure 99) terminal 27.
Proceed to Test Step 20.
0136-12
