1989 Chevrolet Scottsdale pickup truck The problem happened roughly one week ago.

  • Have you checked the switch for adjustment? Has it come loose? Manual or auto? – Solar Mike Aug 2 '19 at 6:08
  • They did say "Park" which indicates an automatic. – Moab Aug 2 '19 at 14:05
  • 1
    @Moab try this : youtube.com/watch?v=JMJhOSdxQVg – Solar Mike Aug 2 '19 at 16:35
  • No thanks....... – Moab Aug 2 '19 at 21:39

If you replaced any bulbs recently, ensure you didn't pop a single filament bulb into a double filament socket. This can cause the lights to ground out through the other bulbs and cause all sorts of erroneous behavior.

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