I swapped out the BCM in my '90 DeVille and the the "dash gremlins" are gone. No more lights blinking off and on and clicking relay. HVAC and Fuel
[COLOR=blue !important][COLOR=blue !important]Data [COLOR=blue !important]Center[/color][/color][/color] seem to be working again!
Thanks to all on this fine site for their input.
Regards,
Matt