Park Light 1999 Chevy Z71

1999 Chevy Z71My driver rear park light and tag light not working. fuse is good. replaced lamps. still not coming on.


  1. Check for power and ground at the bulb socket. Yes – replace bulb. No – go to next step.
  2. Check for power and ground at the tail light assembly connection. Yes – Replace tail light assembly. No – see next step.
  3. Clean and repair all grounds.
  4. Still no power to tail light assembly. No – check relays if equipped.
  5. Check Switch
  6. Check connections and wiring. Check Trailer Tow wiring and connection. Repair as needed.

Use the wiring diagram provided to help trace your wiring.

1999 Chevy Truck Tail Light Wiring Diagram