was the drain there before the new altenator? How old is the battery? With it being a wheel chair van there are more places a short could happen ie pinched wire in the liftwas the drain there before the new altenator? How old is the battery? With it being a wheel chair van there are more places a short could happen ie pinched wire in the lift
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With the engine running are you getting any voltage off the alternator? check with a multimeter. Check voltage at battery while running should be 13 volts or more.
First make sure the terminal and posts are clean and greased.
Then make sure the alternator belt is tight.
The type of battery makes no difference as long as it fits.
What matters is whether or not the alternator is putting out 13.5 volts or higher, in order to keep the battery at 12.5 volts. Put a voltmeter on the battery and rev the engine.
Have the battery and the alternator tested under a heavy electrical load. Some of the cheap battery testers will not indicate a bad or weak cell. Also your alternator may not put out enough amperage to keep up with the electrical demands placed upon it. A good battery tester is a carbon pyle tester. Good luck.
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