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  #1  
Old 07-25-2011, 10:32 AM
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Default Low voltage from alt?

I have an 07 trailblazer and i cant find a voltage boost module for it.
My alt charges at ~13.2 and i want it over 14.4, is there any way to get the voltage up?
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Old 07-25-2011, 11:24 AM
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The ECM (I think) on some cars determines the charging voltage, and you would have to bypass that and get an external voltage regulator. That's how mine is at least.
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Old 07-25-2011, 11:55 AM
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Originally Posted by jt_buck View Post
The ECM (I think) on some cars determines the charging voltage, and you would have to bypass that and get an external voltage regulator. That's how mine is at least.
Any idea on how to do that?
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Old 07-25-2011, 11:57 AM
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I would contact an alt company.
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Old 07-25-2011, 12:01 PM
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I would contact an alt company.
Alright
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Old 07-25-2011, 03:44 PM
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You can get a custom tune where they flash your ECM to set it to charge at whatever you want. But yes, I believe the tbs are ECM controlled.
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Old 07-25-2011, 04:14 PM
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You can get a custom tune where they flash your ECM to set it to charge at whatever you want. But yes, I believe the tbs are ECM controlled.
So take it to a mechanic or something?
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Old 07-25-2011, 04:18 PM
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Originally Posted by tonedeaf View Post
You can get a custom tune where they flash your ECM to set it to charge at whatever you want. But yes, I believe the tbs are ECM controlled.
I am curious about how to go about doing this as well. Would that work on Dodge Vehicles as well?
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Old 07-25-2011, 04:19 PM
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