It's happened a couple of times now. I try to start the car, and nothing happens. No clicking, nothing. And even the headlights don't work. But I had the battery tested and it's good.

I'm guessing a grounding issue or the voltage regulator. The battery cables are good and tight. Any ideas of other things to check, or where to look for the grounding issues?

Thanks!

 

Check the battery posts and the cable ends for corrosion. I suggest using one of those "Battery Post Cleaner" brushes on both the post and inside the terminal if they're the lead terminals.

Check BOTH ends of the battery cables.

Split the cables open down a small bit from either end - if a white or greenish powder drops out, the cable's shot.

If a Magnum equipped Gen1, check the splice under the battery tray.

RwP