HowStuffWorks: Turn Signals - Photographs and animations describe the unusual device called a thermal flasher. OBDII - Page explains the OBDII terminology to the home and independent technician. Autoshop 101: Automotive Online Instruction - Covers basic electrical issues, alternators, relays and circuitry. Engine Light Help - Diagnostic procedures and generic as well as manufacturer-specific codes. Sparkys Answers - Contains detailed automotive electrical repair information, including dash lights, fuel pumps and starters. Georgizas - Immobilizer programing, ECU re-virgin/decode, airbag unit reset, dash repairs, electronic repairs on automotive electronic units. Second Chance Garage: Electrical Systems - Descriptions and diagram of the automotive ignition system. Alternator and starter rebuild kits - Offers how to instructional videos to rebuild your own alternator and starter. OBD2BASE - Searchable Database of OBD-II codes. Provides generic OBD-II code descriptions. Street Rodder Web - List of things you should know about automotive electrical systems