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Old 04-25-2016, 07:03 PM
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Default Possible damage by raising voltage with custom alt?

I asked for a quote from two great companies and one said he can make it with the computer voltage bypassed and the other company said there is no safe easy way to do a bypass as far as they know.
My car is a daily driver and gets about 12k miles a year.
My cold voltage is usually 13.8v in the morning while I'm driving but if I park and just idle for a good while , it will drop to 13.2v and stay at that even when I'm driving.
I wanted to keep my voltage at 14v if possible. I have a
74ah odyssey battery and will possibly get another smaller odyssey battery.
Can anyone think of possible issues?
The car is a 2014 Toyota avalon
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Old 04-25-2016, 07:24 PM
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I'm sure a simple mod to the voltage detection wire could raise you average voltage by .6v
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Old 04-25-2016, 07:32 PM
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There's no harm in increasing charging voltage to the higher end of the cars rated range, just going beyond that range could cause PCM issues, as serious as poor fuel pump performance, just to give an example. Its difficult to find what these issues could be and I've found the manufacturers are not always willing to give them up. But stay below 14.4 and I'm sure nothing bad will happen.
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Old 04-25-2016, 07:33 PM
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need to edit

Last edited by lalojamesliz; 04-25-2016 at 07:38 PM.
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Old 04-25-2016, 07:37 PM
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Quote:
Originally Posted by So Low View Post
There's no harm in increasing charging voltage to the higher end of the cars rated range, just going beyond that range could cause PCM issues, as serious as poor fuel pump performance, just to give an example. Its difficult to find what these issues could be and I've found the manufacturers are not always willing to give them up. But stay below 14.4 and I'm sure nothing bad will happen.
I was thinking this also. I was just wondering why one rep told me it can't safely be done and the other rep said he can do it. My wife drives this car with my kids sometimes and I don't want to worry about her driving it.

Last edited by lalojamesliz; 04-25-2016 at 07:52 PM.
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Old 04-25-2016, 07:39 PM
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Quote:
Originally Posted by dbjunior View Post
I'm sure a simple mod to the voltage detection wire could raise you average voltage by .6v
Yeah but I'm wanting to know if it can damage anything by having my voltage stay at 14v all the time
I saw mechman has a plug and play harness that let's you do this for $100 but I would rather just have my alternator do this.

Last edited by lalojamesliz; 04-25-2016 at 07:53 PM.
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Old 04-25-2016, 10:13 PM
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You can run all day long at 14.4v. Manufacturers regulate the voltage lower to try and gain a little extra fuel economy.

The company that doesn't offer external regulation probably do so for liability reasons and because it's likely to throw a MIL on the dashboard.
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Old 04-26-2016, 12:58 AM
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Here soon, we will offer device that will any vehicle that is defaulted to a 12v electrical system to be fully regulated to, 14.4v for example, regardless of alternator system, PCM control, etc and guarantee not to light up any dash lights.. ever from our system.

It will be something ran in line with the audio system AFTER the alternator, not with or before it to prevent any confliction with the car.

They are custom-designed, manufactured Modular PCB DC-DC high KW Power supply regulators designed for 100% duty and can be custom programmed for virtually any DC IN to DC OUT application including Taramp's HV amplifiers if you want a crazy example.

They are not cheap. They will cost equal to that of an alternator Watt to Watt but are designed to last forever..

In the event of a failure(unlikely), your regulator will not be repaired, it will be replaced internally. Since the PCB is modular, you will never have to worry about lasting repair jobs. Everything is snap in, snap out and go.

We will make public announcement when they are ready for worldwide market.
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