TM 5-2420-231-23-1
0037
Table 1. Front Work Lights Do Not Function Correctly - Continued.
037
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
Front Work Lights Do Not
Proceed to Test Step 6.
sure resistance between terminals
Function Correctly -
of front work lights fuse. Resis-
Resistance Greater Than 5.0 Ohms -
Continued
Replace front work lights fuse (TM 5-
tance should be 5.0 ohms or less.
2420-231-10).
Connect right front work light (WP 0007,
Figure 57) to front lights wiring harness
connector (WP 0007, Figure 56).
Connect left front work light (WP 0007,
Figure 55) to front lights wiring harness
connector (WP 0007, Figure 54).
Proceed to Test Step 9.
Test Step 6. Check for Faulty Front
Work Lamp Switch.
1. Remove instrument panel front
cover (WP 0174).
2. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 80) from front work lamp
switch (WP 0007, Figure 81).
3. Ensure that front work lamp switch
is on (TM 5-2420-231-10).
4. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front work
Proceed to Test Step 7.
lamp switch (WP 0007, Figure 81)
Resistance Greater Than 5.0 Ohms -
terminals 1 and 2. Resistance
Replace front work lamp switch (WP
should be 5.0 ohms or less.
0174).
Proceed to Test Step 13.
Test Step 7. Check for Open Circuit
in Main Chassis Wiring Harness.
1. Disconnect left work light (WP
0007, Figure 55) from front lights
wiring harness connector (WP
0007, Figure 54).
2. Install a jumper wire between front
lights wiring harness connector
(WP 0007, Figure 54) terminals 1
and 2.
3. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 5) from main chassis wiring
harness connector (WP 0007, Fig-
ure 6).
0037-5
