electrical troubleshooting

Ever woken up to a dead battery that’s been mysteriously drained overnight by some phantom electrical gremlin? The phenomenon is called parasitic electrical draw, and it can be caused by […]

A little while ago, we ran a story that mentioned how some spark plugs use a built-in resistor to help suppress electrical interference, so that vehicle electronic components (like radios […]

I have a 1967 Nova that drains its battery if I leave the car sitting for more than a couple of days. I’d like to try to fix the problem […]