Free Vehicle Wiring, Relay Diagrams, and Technical Information for Mobile Electronics Installers, Enthusiasts, and Do-It-Yourselfers since 1999
Welcome to the12volt.com!
This is an on going project to provide mobile electronics installers, enthusiasts, and do it yourselfers a free on line resource for *technical information as well as tips and tricks of the trade.
Log in to post your installation questions and wiring requests for alarm, remote start, keyless entry, stereo, cruise control, and other information, and to download diagrams, tech tips, and installation & owner's manuals from our Member Downloads section. Not a member? Join Now! It's free!
The next six links are to popular sections of our site that contain some of the most often requested information in our forums. Please visit these sections before posting your questions or requests.
Alarm/Remote Starter Installation Pictorials - Member submitted photos and descriptions of wire locations for alarm, remote keyless entry, and remote starter installations.
Relay Diagrams - Quick Reference - Dozens of the most popular relay diagrams created for our site and members all in one place. Many more can be found and requested in our forums.
Subwoofer Box Calculators - Easy to use calculators to determine volume for multiple shaped boxes, speaker impedance loads, round and square port sizes, and more.
Subwoofer Wiring Wizard - Easy to understand diagrams of one to four speakers with a variety of single and dual voice coils.
Vehicle Wiring - Our free vehicle wiring section includes car alarm wiring, remote start wiring, car stereo wiring, cruise control wiring, navigation wiring, and more for most vehicles available in the U.S. as early as 1967 and up.
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