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Electric Club Car Electric DS, and Precedent golf cars |
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06-02-2014, 06:47 PM | #1 |
Not Yet Wild
Join Date: Jul 2013
Posts: 1
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Radio Memory Hookup
Ihave a 2009 Club Car with 6 8volt batteries and a 48-12 converter with the radio working with the ignition on. Every time I turn the ignition off I lose all memory. Is there a way to wire it so it will retain its memory?
Thanks, Charlie |
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06-02-2014, 07:18 PM | #2 |
Gone Wild
Join Date: Mar 2012
Location: Katy, Tx
Posts: 1,027
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Re: Radio Memory Hookup
I don't see how without a separate power source. I wonder if a 9v battery to the memory and the neg side tied to neg of radio?? I think I will try it myself unless someone else has an idea on here
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06-02-2014, 07:22 PM | #3 |
Guest
Posts: n/a
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Re: Radio Memory Hookup
yes ...run the radio memory wire , often yellow, to the 12v + side of the reducer
also reducer must be on at all time Last edited by crash test dummy; 06-02-2014 at 07:24 PM.. Reason: more info |
06-02-2014, 08:36 PM | #4 |
Not Yet Wild
Join Date: May 2014
Posts: 18
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Re: Radio Memory Hookup
I would think this would add a constant drain on the batteries. I understand it's not a large load, but a load none the less.
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06-02-2014, 09:23 PM | #5 |
Guest
Posts: n/a
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Re: Radio Memory Hookup
yes its one of the downsides of running a reducer and a radio ... i have an aux battery so its not a problem
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06-02-2014, 11:04 PM | #6 | |
Voltaholic
Join Date: Dec 2013
Location: Close to Navasota Texas
Posts: 934
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Re: Radio Memory Hookup
Quote:
If you want to get fancy and never change batteries get a large car audio capacitor ( .5 to 1 farad ),a resistor and diode. That would keep the memory alive for weeks without use and no battery changes. |
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06-02-2014, 11:07 PM | #7 |
Voltaholic
Join Date: Dec 2013
Location: Close to Navasota Texas
Posts: 934
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Re: Radio Memory Hookup
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06-03-2014, 05:53 AM | #8 | |
Gone Wild
Join Date: Feb 2013
Location: NC/SC
Posts: 1,012
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Re: Radio Memory Hookup
Quote:
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06-03-2014, 07:19 AM | #9 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Radio Memory Hookup
Keep in mind that most modern radios don't work that way anymore.
What is sometimes still referred as "memory wire", the yellow/constant power is actually the main/only power source for the radio. The red/ignition wire is just used as a trigger to tell the radio it is ok to turn on the power amp side. It is sometimes obvious by the yellow wire being a larger gauge wire than the red or by having a 10amp fuse on the yellow and a 1amp fuse on the red. You can still use a battery to keep the memory, but you need to wire a relay to switch the power source from battery to converter when the radio is on. You can use a Bosch type 12v SPDT relay. The relay coil is wired to the +12v of the converter. The center of the relay switch is wired to the yellow/constant wire from the radio. The backup battery is wired to the NC contact. The +12v output from converter is wired to the NO contact. The red/ignition wire from the radio is wired to the +12v output of the converter. You can always verify how your particular radio is using the yellow wire by setting your DVM to DC amps and placing it in series with the yellow wire to monitor the current usage between off and on modes. |
06-03-2014, 07:24 AM | #10 |
Gone Wild
Join Date: Jan 2014
Location: Lafayette, Louisiana
Posts: 1,677
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Re: Radio Memory Hookup
Plug your phone into it loaded with MP3's!!
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