TM 9-2350-238-20-1
Make sure MASTER switch is OFF before repairing electrical
circuits. Failure to observe this warning could result in injury to
personnel.
Step 1.
Place red probe in socket D (lead 90A) of trailer receptacle. Ground black
probe. If multimeter
indicates 0 ohms, go to step 2. If multimeter indicates
infinity, repair lead 90A. Refer to page 2-371.
Step 2.
Place red probe in socket L (lead 90 B). Ground black probe. If multimeter
indicates 0 ohms, go to step 3. If multimeter indicates infinity, repair lead
90B. Refer to page 2-371.
2-255