Preliminary Checks

1. Check condition of TURN B/U, STOP-HZ and TAIL LPS Fuse(s). If fuse(s) is blown, locate and repair cause of overload. Replace fuse(s).
2. If one side of front marker lamps is operating, check condition of bulb(s) that is not operating. If bulb(s) is good, locate and repair open in BRN (9) wire and BLK (150) wire.
3. If none of the marker lamps operate, use the Diagnostic Charts. Diagnostic Charts