TM 5-2420-231-23-1
0061
Table 1. 4-Wheel Drive (4WD) Does Not Engage - Continued.
061
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 13. Test 4WD Jumper
Harness 4WD Input Circuit for an
Open.
1. Disconnect 4WD jumper harness
(WP 0007, Figure 122) from pow-
ershift wiring harness (WP 0007,
Figure 123) (WP 0156).
2. Using a digital multimeter, test for
Continuity - Install front floor cover
continuity between 4WD jumper
plate (WP 0306).
harness (WP 0007, Figure 122)
Connect side console wiring harness
terminals A and B. There should
(Figure 8, Item 4) (WP 0007, Figure
be no continuity.
198) to 4WD switch (Figure 8, Item 3)
(WP 0007, Figure 199).
Position bezel (Figure 8, Item 2) on side
console (Figure 8, Item 1) and install to
screws (Figure 8, Item 5).
Install new 4WD fuse (TM 5-2420-231-
10).
Replace 4WD jumper harness (WP
0156)
Proceed to Test Step 22.
No Continuity - Install front floor cover
plate (WP 0306).
Connect side console wiring harness
(Figure 8, Item 4) (WP 0007, Figure
198) to 4WD switch (Figure 8, Item 3)
(WP 0007, Figure 199).
Position bezel (Figure 8, Item 2) on side
console (Figure 8, Item 1) and install to
screws (Figure 8, Item 5).
Install new 4WD fuse (TM 5-2420-231-
10).
Replace powershift wiring harness (WP
0167).
Proceed to Test Step 22.
0061-12
