TM 1-2840-252-23-3
G-71
F/R LAMP IS ILLUMINATED WHEN PRIMARY IS SELECTED EXPANDED INSTRUCTIONS
Refer to numbered steps in figure 157.
Step 3.
Check harness connector PL3 (figure 201) at DECU for tight connection.
Step 4.
Disconnect connector PL3 to check pins and sockets.
Step 5.
With PL1 and PL3 disconnected, turn on power to caution panel. Short harness PL3 connector
socket k to airframe ground. F/R lamp should not illuminate when k is grounded.
Step 6.
Before tightening harness connector PL3, be sure that keyway in harness connector is aligned with
keyway in component connector.
Step 11.
Refer to manufacturer's procedure for diagnosing and replacing harness.
Step 14.
Refer to manufacturer's procedure for diagnosing and replacing harness or caution panel.
G-168
