E 250 Van L6-300 4.9L VIN E 1-bbl (1982)
Marker Lamp: Testing and Inspection
Backup Lamps
Troubleshooting Hints
No Backup Lights Work
-
Check Fuse 11 by operating the Turn Lights.
-
Separate C305 With gearshift in REVERSE, check continuity through PRNDL or Backup Switch, at BK/R wires.
One Backup Lamp Will Not Work
-
Check bulb.
-
Check socket for corrosion.
-
Check voltage at socket hot pin.
-
Check continuity to ground.
Backup Lights Stay ON
-
Check adjustment, or replace switch.
