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Re: not charging
A charged battery is 12.6V but the engine charges at 13.5 or so Volts. After sitting a bit and having a small load the battery voltage should read very close to 12.6. Much under that indicates a lack of charge or bad.
When the key is off, most things should be off. Headlights and horn normally work though.
The dash lights and dome light are controlled by the rheostat in the headlight switch. Crank it right to make things brighter, or all the way to the left to turn on the dome light.
A new battery doesn't mean its good or charged. The old battery may have been good but needed a charge.
Check battery voltage before and after starting. A running engine should be charging the battery so voltage should be above not running voltage, and 13.5V or so if memory serves...
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