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OBD-II - On-Board Diagnostic System - http://www.obdii.com/
Dedicated to helping the home and independent technician understand and use OBD-II technology through text, photos, and a discussion forum. |
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Automotive Online Electrical Tutorial - http://www.autoshop101.com/autoshop16.html
Covers basic electrical issues, alternators, relays and circuitry. |
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OBD-II Trouble Codes Help Site - http://www.obd-codes.com
Technical procedures on fixing specific Check Engine / OBD-II code problems. Relevant for all 1996-newer vehicles. |
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HowStuffWorks: How Turn Signals Work - http://www.howstuffworks.com/turn-signal.htm
Photographs and animations describe the unusual device called a thermal flasher that makes your signals flash, and shows how turn signals cancel themselves after you've made your turn. |
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Automotive Check Engine Light Codes Resource - http://www.engine-light-help.com
Diagnostic procedures for the check engine and service engine soon light with trouble code descriptions and test procedures. |