TM 5-2420-231-23-1
0078
Table 1. Left Stabilizer Does Not Operate Correctly - Continued.
078
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Check left-hand stabilizer switch is
Left-Hand Stabilizer Switch in
Left Stabilizer Does Not
Neutral (Center) Position - Replace
in the neutral (center) position
Operate Correctly -
(WP 0007, Figure 170).
left-hand stabilizer control switch (WP
Continued
0190).
Proceed to Test Step 16.
Left-Hand Stabilizer Switch Not in
Neutral (Center) Position - Move left-
hand stabilizer switch to the neutral
(center) position.
Proceed to Test Step 16.
Test Step 12. Test for Shorted Pilot
Control Wiring Harness to Left-Hand
Stabilizer Down Solenoid.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Disconnect pilot control wiring har-
ness connector (WP 0007, Figure
177) from left-hand stabilizer down
solenoid (WP 0007, Figure 178).
3. Disconnect pilot control wiring har-
ness connector (WP 0007, Figure
160) from pilot control controller.
4. Using a digital multimeter, test for
Continuity - Replace pilot controls
continuity between pilot control
wiring harness (WP 0187).
wiring harness connector (WP
Connect all wiring harness connectors.
0007, Figure 177) terminals 1 and
Proceed to Test Step 16.
2. There should be no continuity.
No Continuity - Proceed to Test Step
13.
Test Step 13. Test for Open Pilot
Control Wiring Harness to Left-Hand
Stabilizer Down Solenoid.
1. Install a jumper wire between pilot
control wiring harness connector
(WP 0007, Figure 160) terminals 2
and 4.
2. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between pilot con-
Remove jumper wire from pilot control
trol wiring harness connector (WP
wiring harness (WP 0007, Figure 160)
0007, Figure 177) terminals 1 and
terminals 2 and 4.
2. Resistance should be 5.0 ohms
Proceed to Test Step 14.
or less.
Resistance Greater Than 5.0 Ohms -
Replace pilot controls wiring harness
(WP 0187).
Proceed to Test Step 16.
0078-8