Easy voltage boosting harnesses for Mechman GM alternators
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- čas přidán 11. 12. 2022
- www.mechman.com/plugs-harnesses/
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With the usage of so many different lithium-based batteries in car audio, many times you're needing to up the voltage to charge those lithium batteries CORRECTLY.
While some lithium batteries do not require higher voltage charging, some do and it's imperative that you charge your high dollar investment appropriately to get the most power from that purchase.
As always, please consult your battery manufacturer and/or builder to establish the charging goals you need to achieve.
While these are labeled as "lithium" harness, they can also be used for 14-volt batteries that will require a 16-16.5-volt charge rate. - Auta a dopravní prostředky
Shoutout to Mechman for making life easy! I’ve been dying to get rid of my two blue boxes! Thank you!
Just trying to help out when/where we can.
Thanks for sharing. I’m a big fan of “simple” 🙌🏽
Thank you for keeping us in the loop I definitely wanna grab one I’m running a 240 amp on 97 Tahoe wit 2 AGM’s .Maryland hearing you loud and clear showing ❤ solid voltage gd wiring not sure which one to grab will re watch I Don missed it😂 Tony !! Thank you
Thanks for doing this 👌
Great video
Thanks!
Dude, you spoke nothing but facts.
My 370amp unit which I installed on my 2012 Silverado 3:59 6.6 Duramax, has the opposite problem.
It's been overcharging for about one to two minutes each time I would restart it once it's warm. The voltage would climb into the 16 and even 17 volt area for brief periods , before settling back to around 14.v
It did this for 12 months and I only fitted it in late 2020.
I've removed it and replaced with a standard alternator.
Is there a replacement regulator that I can purchase and self fit?
I'm in Australia so it's not practical to return it to you.
Hey Tony, I have a 2007 Ford F-150 FX2,with the 5.4L Flex Fuel V8. I have a Mechman 250, do you guys have anything to increase voltage to run Lithium?
Great explanation. You're definitely onto something. So, for vehicles like gm that stabilize voltage would these even matter? It's mainly for seperate systems right?Happy Holidays & Happy New Year.
Well....yes...and no. :) You can convert the 2pin style GM alternators(regulators) over to the 4pin design they've used for years and THEN you can use these quick fix boosters.
All GM Full Size truck/SUV applications we have that are OVER 300 amps we go ahead and convert/bypass the computer controlled regulation to give those customers the most voltage possible. I have some video's on that as well.
Lol. I like this guy. Straight to the point. “Don't be a 🫏🥜🫵👀
I've been called a lot of things.... the nicest of which was "ROBOT". :)
Can i louse these on a brand x alt ? I have a mechman with one and a secondary brand x that doesn’t have one and it’s messing up my voltage
im doing tis mod own my own alt, what happend if i did hookup the diod wrong way
Can you this all the time with a gm Dr44G alternator
Nice
hello good day, i have a aftermarket alternator on my GM vehicle that has it's voltage set to 14.8 static internally, i want to boost it to 15.2,
it has the same 4 pin connector as on the video, but i only have the blue wire hooked up to switched 12v,
i want to boost the voltage by 0.3-0.4 volt, as 0.5 volt is too much for the vehicle,
Is there any way to set a specific voltage level regardless of the alt temperature? Say i want 16v to charge a C max. I don't want it to ever charge higher or lower than 16v. Would I need some type of computer based regulator to maintain an exact output?
Not gonna happen. Its the physics of electronics. It's like trying to keep 32psi in your tires all year round and no matter how drive.
99.9999% of people worry extremely too much over a tenth or 2 of a volt.
Sorry off topic but I bought one of your alternators and I have the same year Chevy Silverado as you 2008 5.3
I was wondering if you remember what size belt or number belt you have for it and then the second question is what harness do I need to add a volt I have 16 volt Ahmed batteries thanks for your content
Bottom of FAQ section:
www.mechman.com/faqs/
A 16 volt battery realistically needs to charge in the 19 or so volt range. At that point you just need to go external regulator.
It’s really a dual voltage Agm battery 15 and 17
So if see 14.2 v currently and get the 1 diode booster you said I should see near 15. Would this hurt a 12volt battery? Or are these harnesses meant strictly for lithium?
I would investigate why your current voltage is lower than standard voltage(14.5-14.9) before throwing money at it.
Can i use it on agm batteries. Trying to get one for a 2013 suburban but not sure if it will mess with the trucks electrical.
Depends on the voltage. All the information is in the video and www.mechman.com
will these work on your GM 240 amp alternator ( 2002 chevy blazer 4.3 ), or these just for hairpin's ??
We've ran them on a few before, so yes. Not very optimal as the 240 is the entry level 3phase design and not as efficient as our Denso based applications.
Have you considered building batteries? 🔋
I already have an 270 amp alt upgrade including my own 5k pot for adjustable voltage, can i still use that if i upgrade to a 400amp?
Sure!
Another question, what if you have dual alternators? Do you need to have this on both?
Yes.
Steve my Amp is doing 320 amps drawing which harness will I need???
No one can answer this. These harnesses change the voltage output. They have nothing to do with the amperage output.
I am trying to upgrade my wiring on my 2002 GMC Yukon Slt. Can you help me.
Always, but most questions are already answered on www.mechman.com
Do you recommend one of them on a factory alternator for a Honda pilot
No
I have a 08 trailblazer 2 pin style what can I use ?
THIS:
www.mechman.com/voltage-controllers/mm-vc1-2005-gm-2pin-rvc-voltage-controller/
What about adding some more voltage to some Fords? Powerstrokes and others?
Most of, if not all of those applications use a higher voltage regulator already.
Diode is the cheap way i say take out rectifier n voltage regulator n get a rectifier with 680 or two 300 amps etc two spark plugs per cylinder n a good 48 volt battery 🔋 n put sand where 6 cells are so batteries cells since heat expands everything do battery cells dont touch one another with higher voltage n amps u said fire right without flame thrower
why not add a 4 or 5 way switch with the diodes that way you only have to make one item?
Switches fail, people break them, expect us to warranty them breaking them.
I have the H104L and the for my second alt P101L they are both going to the same battery how do I know if they are charging at the same voltage? They are both 400 amps a piece.
A voltmeter?
@@mechmanalternators I guess what I’m trying to ask is why would they not charge at the same voltage in the same vehicle?
@@cin5cin1nat3i Build tolerance? heat? I mean...it's electronics, thats how they work. Some of our 400's make like 405, some have made 420. It's a ton of little things that add up in the big picture.
It still wouldn't matter bout voltage. If you had one at 15 volts and one at 14 volts. I was running 3 alternators on my truck at one time. One uplugged 2pin, (13.4 volts), a 4pin (14.7 volts) and a "modified something running at 15.4 volts.
If you want to test individually then just put a meter on each alternator instead of the ONE battery.
@@mechmanalternators thanks for the response I’m kinda new to the whole raising my voltage to charge my lithium batteries. I just want to make sure I wouldn’t like fry my system or hurt my battery if one was a lil higher.
How would I wire mine up on my ls swap I only got a 1 wire on my alternator
12v key on/off source
Why don't you mention if the alt. For sale is a hair pin or not? Are all of your alt.s hairpin?
I don't mention it as that is what the FAQ and product descriptions on www.mechman.com are for. However, 99% of our available part numbers are true hairpin 6 phase units. We have 3 units that are entry level GM style that use upgraded internals with an overdrive pulley but still follow the 3-phase foundation.
They will make around the same output at top end as a hairpin 250 amp but will be down appx. 30-30 amps at vehicle idle RPM's. Great for the daily driver guys with around 2500w audio setups.
Will this work for me, i have 04 gmc Yukon, 400 amp alt from you all?
Does the alternator have the 4pin plug? If so, then yes.
Can those be used on the racing alternator you sell?
If it's got a GM 4pin regulator, sure.
Please also keep in mind the higher voltage you run, the HARDER it is to turn the alternator. I only bring this up due to the "racing" word you used and most trying to keep parasitic drag to a minimum in those situations.
Can you run this all the time with dr44g alternator
Can i use this with p103 bypass 2005 chevy
Yes....if th alternator is a 4pin style
Can this be used on XS AGM BATTERIES?
If it's a 14v battery, yes.
@@mechmanalternators I have a d3400,2-d6500 XS AGM batteries on a Taramps 12k @ .5 ohms and one of your 320 amp alternators,yet my lights blink on the inside…what am I missing here,thanks in advance
@@glovegame6226 Well, you need around 1200-1400 amps to power that amp wired down to the dirt. That poor 320 can only fill your small battery bank soo much.
I mean, it's TWELVE THOUSAND PLUS watts being generated. Your 320 amp alternator is only doing around 140 amps at idle if small case and around 200 if large case.
What size diodes incase of failure?
they don't fail
@@mechmanalternators tell us stop keeping the sauce 😭
@@Mr.boxxchevy Eludium Q36 Modules
@mechmanalternators that's an illudium Q-36 explosive space modulator to be exact
Tony I want your direct #
Don't really have one, I like Email Tony@Mechman.com
OK cool
The easy boosting harnesses for the GM alternator my builder told me my Amp draws about 320 amps its a 24pill mobile Amp which harnesses would I need????
$29? Everywhere i see wants $40. Just tell me what diode and I'll make my own for under $9
No clue on diode type....email support@Mechman.com if you cannot make life simple/easy/quick and just purchase one already made.
Car audio and components are way to catered to gm and vehicles that not everyone wants.
Sorry, you can't deny physics that big GM SUV's/trucks are easier and cheaper to get loud than a Honda.
@@mechmanalternators Sorry, still doesn’t mean everyone has or wants a gm.
@@equanox100 Well, we can't make everyone happy, but we try to at least help the ones that need a product we build.