Begin by connecting pin 85 of the relay to a clean ground point on the vehicle chassis or the negative terminal of the ...

Because of its mass, a battery takes a long time to change temperature. If a vehicle sits out all weekend in a zero-degree environment, it might take 30 hours to warm up the battery. Use the outside ...

Over the past few years, we have run across some teams who, for the goal of attaining maximum power, chose to run without an alternator. We started thinking about that and decided to see if there were ...

Just like spark plugs, ignition coils can wear down and become faulty over time. There are many common signs that an ignition coil is getting bad, but one obvious sign is an engine misfire, typically ...

Push-button start may be common today, but it wasn't always the dominant way to crank an engine. Push-button start systems and ignition key systems activate the same process in different ways. Do you ...