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Old 09-10-2017
blownjk  blownjk is offline
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On the 3.6's the alternator output is controlled by the PCM.
There is a table in the software for it.
Output is regulated versus battery temp not ambient temp.
As the battery gets hotter, charge voltage is lowered...



Quote:
Originally Posted by MightyMouse View Post
No...... its a plain constant output unit. Controlled by the TIPM.

If your in doubt put a volt meter ( or OBD reader ) on it and go for a long drive - you'll see the voltage never falls below 14ish ....

Last edited by blownjk; 09-10-2017 at 11:59 AM.
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