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Q:

Bought a new terminal cause it broke. Still didn't keep charge. Bought an alternator and the same problem. Any ideas?? on 1994 Lexus LS400

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After putting the alternator on it ran better than before. But wouldn't keep charge the next day. And that same day when I would push the brake or gas my radio would cut out not shut off though.
(1) Answer
what condition is the battery in? Is it actually charging with the replacement alternator? (TESTED with appropriate equipment) or at least monitored with voltmeter for at least 13.9-14.5V output at idle -no loads (all accessories off)?