4. TAILLIGHT(S) DO NOT OPERATE (CONT).
Truck electrical system OK.
on Page 4-155
All other trailer lights operate.
Light lamp is OK.
REASON FOR QUESTION
Ground side of taillight is OK.
Is continuity measured on
If continuity is not measured on
center contact of taillight
center contact, voltage cannot be
socket and connector?
supplied to lamp and light will not
Composite light faulty.
Wire 1008/21-29 faulty.
light (Para 4-29).
Verify repair, go to
Step 12 of this Fault.