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Solesurfer
Joined: 18 Jul 2011 Posts: 20 City/Region: Ventura
State or Province: CA
C-Dory Year: 2006
C-Dory Model: 25 Cruiser
Vessel Name: Cheers
Photos: Cheers
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Posted: Fri Jul 02, 2021 5:24 pm Post subject: Need Help With Stereo Wiring |
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Hello everyone,
I recently went to upgrade my old JBL MR-17 stereo to a Sony DSX-M55BT, primarily for having bluetooth capabilities.
In my haste, I forgot to take a picture of how the old JBL stereo was hooked up and now I have a little dilemma.
I have a red and yellow wire coming from my boat. The yellow wire attaches to what I think is a ground plate on the back of my switch panel. The red wires seems to go to the accessory switch on the panel. Below are pictures of where they connect behind the switch panel.
Out of the radio(with the manual's explanation) I have:
Black = To battery or ground distribution block
Red = ACC, To the +12 V power terminal which is energized when the ignition switch is set to the accessory position,
if there is no accessory position, connect to the +12 V power (battery) terminal which is energized at all times. Be sure to connect the black ground lead to the battery first.
Yellow = BATTERY, To the +12 V power terminal which is energized at all times
The only configuration I have that works is:
Black to yellow from boat
Red and yellow to red from boat
This powers the radio when I turn the batteries on, but when I turn them off, the stereo power is shut off and the memory goes out. I understand I'm not connecting a wire that always has power so the stereo can remember the time. The old JBL always kept the time and this was never an issue. I can't figure out what the right combo is, without it not working or blowing the fuse on the stereo(already went through 3, lol).
I do have a multimeter albeit I don't 100% understand what I'm doing. Does anyone have any suggestions?
Thank you,
Tom |
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hardee
Joined: 30 Oct 2006 Posts: 12633 City/Region: Sequim
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Sleepy-C
Photos: SleepyC
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Posted: Fri Jul 02, 2021 5:35 pm Post subject: |
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For me, I don't want ANY drain on my batteries that I do not have SWITCHED on. So, I wouldn't worry about the time being right on the stereo, but that might mean you also won't have the station memory, which in my case I have a few that I know the number to, and some I have written down and dial manually. Yup, that's a pain, but not nearly as much as when you go to start the boat and the battery is D E A D from a parasitic clock power drain.
Some Stereo systems (used to - at least) have a way to maintain that memory stuff with a 9 VDC "transistor" battery.
Harvey
SleepyC
_________________ Though in our sleep we are not conscious of our activity or surroundings, we should not, in our wakefulness, be unconscious of our sleep. |
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garyf
Joined: 01 Sep 2015 Posts: 167 City/Region: Lincoln
State or Province: CA
C-Dory Year: 1991
C-Dory Model: 22 Cruiser
Vessel Name: C-Story
Photos: C-Story
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Posted: Fri Jul 02, 2021 5:50 pm Post subject: |
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Cross posted - I answered in the Electrical and Wiring forum _________________ Gary Frerking
C-Story
'91 22 ft Cruiser
'08 Yamaha 90
KC3PO |
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Solesurfer
Joined: 18 Jul 2011 Posts: 20 City/Region: Ventura
State or Province: CA
C-Dory Year: 2006
C-Dory Model: 25 Cruiser
Vessel Name: Cheers
Photos: Cheers
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Posted: Sat Jul 03, 2021 12:06 am Post subject: |
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hardee wrote: | For me, I don't want ANY drain on my batteries that I do not have SWITCHED on. So, I wouldn't worry about the time being right on the stereo, but that might mean you also won't have the station memory, which in my case I have a few that I know the number to, and some I have written down and dial manually. Yup, that's a pain, but not nearly as much as when you go to start the boat and the battery is D E A D from a parasitic clock power drain.
Some Stereo systems (used to - at least) have a way to maintain that memory stuff with a 9 VDC "transistor" battery.
Harvey
SleepyC
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The biggest problem with losing memory is when it is powered on, the stereo goes into demo mode which is pretty annoying.
I wonder if the old JBL had a special battery that saved time and presets. I have the manual and have been looking it over, but there is no mention of another battery involved.
In storage or at dock, I'm always trickle charging so I'm not terribly concerned about the power draw. _________________ Tom
2006 C-Dory 25 Cruiser
Dual Honda BF90's |
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