Love it or hate it, wiring is a part of any project car. You may loathe the idea of installing relays, but without them, wiring would be much more difficult. HOT ROD ...

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Last month we discussed the basics of your car's 12-volt electrical system with the goal of understanding enough to trace problems to a particular electrical component. This month we're going to delve ...

In the story “Jeep Fire Prevention” (Oct. ’07), we showed you how to wire relays into your ’99-and-up TJ heater system to help combat the melted switches and wires that can be caused by a worn or ...