Quote:
Originally Posted by ndnchf
After cranking a bit to get it started, its normal for the battery voltage to drop a little. The alternator's regulator senses that and increases the charge to bring the battery back up. Then it settles back to little or no charging. This is normal.
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Agreed.
Quote:
Originally Posted by JOHN CT
Your amp gauge has to match the out put of the alternator. If it’s a 30 amp get a 30 amp gauge.
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Not necessary to change the ammeter. It measures only battery in/out. Mine doesn't go above 20A after start. Your battery may be old/weak or got more discharged from hard starting. Excess current won't hurt the ammeter except if the needle slams the peg and gets bent.