Check out the latest information on Basic Electrical Relays for horns, turn Signals, Retained Accesory Power and SPDT relays - Rod & Custom Magazine ...

In an automotive electrical circuit, current flows from the battery’s positive post to the lamp or accessory to ground and back to the negative post via the car’s body and negative battery cable.

The best digital multimeters allow users to trace electrical faults to diagnosis and repair problems with their vehicles.

Follow along as editor Kevin McNulty explains basic electrical wiring and wire splicing for your 4x4. Also connecting and protecting electrical wire inside 4Wheel & Off-Road Magazine.

Your car's electrical parts might seem daunting, but with the right tools, you'll have the job done lightning-quick.

There’s one month left to get a federal subsidy. Our calculator lets you compare models and see whether an E.V. is cheaper in ...