Written for Buick dealership mechanics, this book will help you troubleshoot or diagnose electrical problems. You will find electrical circuit diagrams broken down so that you can perform specific tests. Look for troubleshooting maps and/or diagnostic trees designed to take you through the process of finding your problem step by step. The specifications in this book will help you to understand connector configurations, and locate & identify harnesses, circuits, relays, and grounds. In many cases, this type of book can be used in place of a wiring diagram--and may have been by the factory. This manual retails for $105.00. This manual covers all 1991 Buick LeSabre models including Limited & Custom. Buy now for the best electrical information available.
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