Wat is the wiring pattern
wiring pattern for WHAT? I can find schematics for you but engine wiring? Or what?
1990 was the first year that car had digital dash cluster, and the Chevy FI 350, what is it you need and I would be happy to try to help
Search Cadillac Brougham Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Cadillac Brougham Experts