TM 5-2420-231-23-1
0018
Table 1. Instrument Cluster Does Not Function - Continued.
018
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Using a digital multimeter, mea-
Instrument Cluster Does Not
Resistance 5.0 Ohms or Less -
sure resistance between side con-
Function - Continued
Proceed to step 5.
sole wiring harness connector (WP
Resistance Greater Than 5.0 Ohms -
0007, Figure 28) terminal 1 and
Replace side console wiring harness
side console wiring harness con-
(WP 0170).
nector (WP 0007, Figure 24) termi-
Proceed to Test Step 4.
nal 4L. Resistance should be 5.0
ohms or less.
5. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 5) from front main chassis wir-
ing harness connector (WP 0007,
Figure 6).
6. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front
Replace front console wiring harness
main chassis wiring harness con-
(WP 0162).
nector (WP 0007, Figure 6) termi-
Install front instrument panel right-side
nal 4L and rear main chassis
cover (WP 0176) and instrument cluster
wiring harness connector (WP
(WP 0177).
0007, Figure 25) terminal 4L.
Proceed to Test Step 4.
Resistance should be 5.0 ohms or
Resistance Greater Than 5.0 Ohms -
less.
Replace main chassis wiring harness
(WP 0154).
Install instrument alarm fuse (TM 5-
2420-231-10), fuse panel cover, and
instrument cluster (WP 0177).
Proceed to Test Step 4.
Test Step 4. Verify That Symptom Is
Resolved.
1. Connect all wiring harness con-
nectors.
0018-9