The Model 161.2158 Light Timer DC Owner's Manual for Sears 12 Volt Ignition Systems is an indispensable guide for car owners who need to do their own repairs. Copyright by Sears, Roebuck and Company, which has a long history of reliable customer service. In this book you will find detailed instructions for using D.C. light timer Model 161.2158 for 12 volt ignition systems. Explanations are accompanied by illustrations and step-by-step guidance to help you efficiently complete the required tasks. This book is a reliable source of information for car owners who want to keep their vehicles in good technical condition. The small size and convenient format will make using this manual quick and convenient for any car owner.