12-29-2021, 03:48 PM | #1 |
Not Yet Wild
Join Date: Aug 2015
Posts: 26
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12v source NON IGNITION
hooking up undercarriage lights this weekend on a 2022 i40. i know ive got the already 12v reduced fuse under cup holders, but where i use my cart at, we're chust chilling by the lake or deck partying, so i dont want my blinding DRL's on or dash sreen on while im just chillin to some mood lights and music. sound bar is wireless/ recargeable exogear, so know woories there, just the lighting issue. thoughts anyone? thought about a 12v battery under rear seat and just plug in a maintainer when needed
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12-29-2021, 09:02 PM | #2 | |
Gone Wild
Join Date: Oct 2012
Location: SoCal
Posts: 671
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Re: 12v source NON IGNITION
Quote:
Then whenever your switch is on, the reducer is powered, and your 12v devices all have power. Either second reducer or use your existing reducer and splice the 48v input power to a relay + switch + directly to batteries. Then if your key isn't "on", you can just flip the bypass switch to power the onboard reducer. The issue here though is your lights, dash, etc. turn on. If this is only for LED lights, then you might just consider a rechargeable battery or something simple since they hardly draw any power...but if you wanted your soundbar and things to work as well then you'd need more power. |
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12-30-2021, 08:56 PM | #3 |
Not Yet Wild
Join Date: Aug 2015
Posts: 26
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Re: 12v source NON IGNITION
thanks ATrain, thats what i was thinking, just another 12v battery with a maintainer on it, maybe wire it in to the charging port for cart so every time i charge cart it is charging aux batt also . thanks again
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01-02-2022, 08:52 PM | #4 | |
Gone Wild
Join Date: Oct 2012
Location: SoCal
Posts: 671
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Re: 12v source NON IGNITION
Quote:
Just a secondary reducer (like this) with a switch is all you need. Then you can avoid the battery AND second charger entirely and you just buy that thing plus a switch. You're choosing between a lifetime of dealing with a second battery+charger or a onetime effort of installing this little doodad. |
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01-03-2022, 03:13 PM | #5 | |
Not Yet Wild
Join Date: Sep 2021
Location: Florida
Posts: 19
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Re: 12v source NON IGNITION
Quote:
I am running this one https://www.amazon.com/10L0L-Voltage...2-0dd6e83b6876 I have it wired as follows yellow to 48+ black to 48- Blue Capped Red to fuseblock for accessories green (turns reducer on and off) to this switch ( https://www.amazon.com/Ampper-1-2-Bo...ps%2C99&sr=8-1 ) This switch under poisiton one goes all the way up to the front under cupholders to draw 48v key power to turn reducer on, position 2 will go directly to the 48+ so that i can turn accessories on without having to have key in the cart. The off setting is nice because it allows you to turn off anything on the reducer if you are in a power pinch. The only flaw and it is fixable is if you use the both feature, it will back feed your car and power it on without the key, this is fixed by putting a diode in the line that is the keypower. Diodes basically prevent current from flowing in 2 directions. |
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