Looking for advice on how to power radio memory

jkredman · 06-05-2018, 08:48 PM

Looking for advice here...

2010 RXV running on 4 12 volt Trojan 1275 (I think) batteries.

I have the 48 volt to 12 volt converter that runs lights, horn, turn signal, etc. Because the Converter shuts off when the key is turned off, the radio Memory circuit is connected to battery 4 in the chain.

The plastic battery tray has become brittle and I was considering going the 6, 8 volt battery route, until I remembered the radio memory.

Has anyone with an 8 volt battery cart figured out a way to power a 12 volt radio memory?

I’m thinking I have space on the driver side of the cart to set a small 12 volt battery, but how would I recharge it?

Or should I abandon the idea of going to 8 volt batteries and just replace the current battery tray with another 12 volt?

FYI when I note the current tray is brittle, tightening the hold downs just crumbles plastic.

cgtech · 06-06-2018, 04:17 AM

Get a DC Converter. The DPI dc converter offers "key on" 12v and "always on" 12v.. the benefit of a dc converter is that it draws power equally from all batteries. Powering lights and 12v stuff from one battery alone is bad- here's why- the charger gives power to all batteries with no regard to which one is lowest, this we can't change. Accessories that take from only one battery makes that battery eventually suffer because it is now going to be lower than the others. The charger can't fix/help that battery. That one will fail first. The OEMs finally figured that out too, probably too many warranty claims on that same battery every time.

VanillaXtract · 06-06-2018, 07:15 AM

Carts Unlimited has 12V reducer that has an output specifically for radio memory (#3 Blue reducer).

jkredman · 07-16-2018, 08:03 PM

Got the EZGO dc to dc converter on the cart.

I’ll look at your suggestions on the after market converters.

I know to connect to the solenoid and not the key.

Thanks

LMFD20HD · 07-18-2018, 04:08 PM

Try hooking the memory to one battery and see if it works. I had a cigarette lighter plug that had a 9 volt battery connection on it to work on my trucks. I would plug that into the 12v socket and disconnect the batteries and it would save my presets while I worked.

06-05-2018, 08:48 PM	#1
jkredman Gone Wild Join Date: Mar 2018 Location: Oklahoma Posts: 254	Looking for advice on how to power radio memory Looking for advice here... 2010 RXV running on 4 12 volt Trojan 1275 (I think) batteries. I have the 48 volt to 12 volt converter that runs lights, horn, turn signal, etc. Because the Converter shuts off when the key is turned off, the radio Memory circuit is connected to battery 4 in the chain. The plastic battery tray has become brittle and I was considering going the 6, 8 volt battery route, until I remembered the radio memory. Has anyone with an 8 volt battery cart figured out a way to power a 12 volt radio memory? I’m thinking I have space on the driver side of the cart to set a small 12 volt battery, but how would I recharge it? Or should I abandon the idea of going to 8 volt batteries and just replace the current battery tray with another 12 volt? FYI when I note the current tray is brittle, tightening the hold downs just crumbles plastic.

06-06-2018, 04:17 AM	#2
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: Looking for advice on how to power radio memory Get a DC Converter. The DPI dc converter offers "key on" 12v and "always on" 12v.. the benefit of a dc converter is that it draws power equally from all batteries. Powering lights and 12v stuff from one battery alone is bad- here's why- the charger gives power to all batteries with no regard to which one is lowest, this we can't change. Accessories that take from only one battery makes that battery eventually suffer because it is now going to be lower than the others. The charger can't fix/help that battery. That one will fail first. The OEMs finally figured that out too, probably too many warranty claims on that same battery every time.

07-16-2018, 08:03 PM	#4
jkredman Gone Wild Join Date: Mar 2018 Location: Oklahoma Posts: 254	Re: Looking for advice on how to power radio memory Got the EZGO dc to dc converter on the cart. I’ll look at your suggestions on the after market converters. I know to connect to the solenoid and not the key. Thanks

07-18-2018, 04:08 PM	#5
LMFD20HD Not Yet Wild Join Date: Jul 2018 Posts: 1	Re: Looking for advice on how to power radio memory Try hooking the memory to one battery and see if it works. I had a cigarette lighter plug that had a 9 volt battery connection on it to work on my trucks. I would plug that into the 12v socket and disconnect the batteries and it would save my presets while I worked.
LMFD20HD Not Yet Wild Join Date: Jul 2018 Posts: 1

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06-06-2018, 07:15 AM	#3
VanillaXtract Getting Wild Join Date: Jun 2017 Location: New Strawn, KS Posts: 120	Re: Looking for advice on how to power radio memory Carts Unlimited has 12V reducer that has an output specifically for radio memory (#3 Blue reducer).