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My car’s headlights and dashboard lights come on, but the engine sometimes only clicks when I turn the key. I had assumed the battery was fine because the lights still work, but I’ve heard that starting the engine puts a much heavier load on it.
What clues help distinguish a weak battery from a starter, cable, or connection problem? I’d like to understand what a basic car battery voltage check can tell me, and when it’s safer to stop troubleshooting and call for assistance.
