This Dakota Digital Dash is supposed to “talk to the EFI. Could solve lots of stuff. Not too anxious to be a pioneer though.
https://www.dakotadigital.com/index...id=1090/category_id=679/mode=prod/prd1090.htm
https://www.dakotadigital.com/index...id=1090/category_id=679/mode=prod/prd1090.htm