× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 1990 Buick Riviera, no spark.
Posted to Technical Discussion Forum on 11/14/2005 3 Replies

Directly under the ignition coils - called the EST or Ignition Module.

HTH Login to read more.

3 Replies Received (View Replies)