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Mechman Alternators

long term review 220A Scion xB Alternator


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Installed the alternator this past weekend and it went in like you said, Thanks for you help. One thing that I noticed, for the first couple of days when I'm at a stop light my voltage goes down to the low 12's volt and as low as 11.9 v, but its been cooler her in Houston the last couple of days and its been 13.1v at stop lights. This seems to be a problem with these high output alternators. When I"m driving around its stays at around 14.4 v. Maybe my ECU has to get used to my new alternator.

Edited by Txsupra71
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What is your resting voltage on your battery? Maybe you need to put it on a slow charge for a few days to top it off. What kind of battery is it? Shoud be minimum 12.6 V. Mine will rest at 13.1 after keeping my battery maintainer on it.

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Do you have the AVBM on yours? If so adjust it when full hot and with a load and that may help at lower RPM's.

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