digital dash code

1987 CADILLAC SEVILLE
150,000 MILES • 4.1L • V8 • 2WD • AUTOMATIC
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CRANNEY
  • MEMBER
  • 1 POST
Occasionally, a W621 is lit up at the top right corner of the digital speedometer number (0), at start-up. It's only on for a moment!
Mar 5, 2019 at 3:51 AM
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SCGRANTURISMO
  • CAR REPAIR CONTRIBUTOR
  • 4,897 POSTS
Hello,

This is a normal occurrence for your vehicles dashboard to display funny things at bulb check. I have included some information about this in the diagrams below. I hope this helps and please don't be afraid to ask more questions if the need arises.

Thanks,
Alex
2CarPros
Mar 5, 2019 at 5:08 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.