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 yourself'ers with a free on line resource for *technical information as well as tips and tricks of the trade. New! Alarm/Remote Starter Pictorials - Member submitted photos of wire locations for alarm, remote keyless entry, and remote starter installations. Post your installation questions and wiring requests in the12volt's install bay - Mobile Electronics Forums. Joining is free and simple, and includes access to our Members' Downloads. Our members post new vehicle information daily. Disclaimer: *All information on this site is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information. Members, log in to request alarm, remote start, keyless entry, stereo, cruise control wiring information, etc. and to download diagrams, tech tips, and installation & owner's manuals from our Member Downloads section. Not a member? Join Now! It's free!

12 Volt Basics For any installer, these are the basics. If you're not familiar with these, we suggest you visit these sections first. • Diodes • Ohm's Law • Relays • Resistors • Glossary of Terms • Tools and Equipment Car Audio and Mobile Video • Car Audio Forum • Mobile Video and Navigation Forum • Glossary of Terms • Metra Application Guides • Ohm's Law • Passive Crossovers & Calculators • Power and Ground Cable Sizes • Subwoofer Enclosures • Subwoofer Enclosure Calculators • Subwoofer Wiring Diagrams • Thiele - Small Parameters • Insurance • Car Audio Hot Topics Subwoofer Wiring Wizard Qty. 1 2 3 4 Select Impedance 2 ohm DVC 4 ohm DVC 6 ohm DVC 4 ohm SVC 8 ohm SVC Car Security, Alarms, Keyless Entries, Remote Starters and Convenience • Car Alarm Connections • Car Alarm Modules • Car Alarm Sensors & Triggers • Door Locks • Light Flash • Illuminated Entry • Insurance • Starter Interrupts • Accessories • Car Security & Convenience Forum • Car Security & Convenience Hot Topics • Car Security & Convenience Pictorials Cruise Controls • Mechanical Connections • Electrical Connections • Micro Cruise® Servo • Control Arms • Additional Connections • VSS and Tach Information • Cruise Control Forum Wiring Diagrams, Charts, and Calculators • Application Guide • Basics (diodes, relays, resistors) • Calculators • Car Stereo • Cruise Controls • Door Locks & Window Modules • Light Flash & Illuminated Entry • Passive Crossovers • Relay Diagrams - Quick Reference • Starter Interrupts • Subwoofer Enclosures & Wiring • Miscellaneous Mobile Electronics Forums - the12volt's install bay If you have an installation question or would like to request any information, please join the12volt's install bay. Our members include many certified installers & knowledgeable enthusiasts that have been posting questions and answers in our forums since March 7, 2002. Joining the12volt's install bay is free and only takes a few minutes to become a member. Featured Forum Topics Car Audio: • How to wire through a door molex. • How to Set Your Gains • What is a proper sub box? • Running one vc on a dvc sub • How to choose an amplifier. • Fuses or curcuit breakers? • Ground Q/A sticky • Guide: Using WinISD • Comprehensive front stage setup • Too Little Power • How to choose a car CD receiver. • How to upgrade the Big Three • How to achieve awesome mid bass • Fuse size? • Ohms, using resistors with woofers? • Advanced front speaker systems how-to • How to identify stereo wiring. • What is a proper ground? Car Security & Convenience: • new ford 80 bit cracked • idatalink can do ford with 1 key • Why anti grind/starter cut relays drain batteries. • Rookies and all seeking advice. • Fortin Bypasses/Interfaces Updates 3/11 • bypass for 2010 tundra • idatalink cracked hyundai kia • Viper 5902 vs 7901? • DEI 528t, siren delay • Key immobilizers and remote starting • Tach wire general comments • What?s the reason to diode isolate? • How to test for wait to start wire. Fiberglass, Fabrication & Interiors: • Tinting Clear Plastic • How to Make a Fiberglass Enclosure • Flushing a remote, fun little project • Fiberglass, Roush Mustang • Fiberglass shopping list • How to make circular rings • Sticky Packing peanut volume measurement Lights, Neon, LEDs, HIDs: • Fog Light buzzer • LEDs in a row • LED tail light conversion • LED in my ashtray, resistor size? • Flashing LED Mobile Video and Navigation: • Video In Motion Law • heads up, dead battery after video • Headrest how-to, 06 Chrysler 300c • Headrest Monitor How To, 91 Accord Relays: • Radio on until door open + trigger • Add auto lock,unlock to Excursion,F250 • Regarding All Relay Questions Rides and Systems Gallery: • Focal Beryllium BMW

How Electronic Things Work. . .And What to Do When They Don't by Robert Goodman

Practical Electronics for Inventors by Paul Scherz