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Radio Hot wire question - Regulator 23

Old 08-05-2004, 08:28 AM
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Default Radio Hot wire question - Regulator 23

The used boat i just bought has some funking wiring , i noticed that the AM/FM radio does not have the memory wire connected , so every time i shut it off , the station memory is lost . do anyone with a regulator know where i should wire this to?...im thinking of directly to the house batterry?. unless the factory has a place already marked for this wiring ?
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Old 08-05-2004, 08:38 AM
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Default RE: Radio Hot wire question - Regulator 23

I think most people leave this off so as not to have a drain on the battery all the time.
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Old 08-05-2004, 08:46 AM
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Default RE: Radio Hot wire question - Regulator 23

The "drain" is negligible and would take literally months to drain a battery.

This is no different than a car with the exception that boats are using better batteries than cars!
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Old 08-05-2004, 08:46 AM
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Default RE: Radio Hot wire question - Regulator 23

silverg is correct, unless you use the boat on a daily basis or have a battery charger
that is plugged in to shore power do not connect it. It will drain the battery down
over time. Whats worse, having to program your stations every time or get on the
boat to go and it wont start?
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Old 08-05-2004, 08:53 AM
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Default RE: Radio Hot wire question - Regulator 23

You'll be OK wiring the memory wire directly to the house battery. The drain is almot insignificant, I think most people that leave their boats unattended for extensive time periods will hook up a charger before they try and take off.

If you wire it directly to the buss bar, then you will loose all your stations when you shut your batteries off.
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Old 08-05-2004, 09:19 AM
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Default RE: Radio Hot wire question - Regulator 23

I had the same problem with draining the battery.
If left unattended the battery would drain in about
six weeks. Solved the problem by buying a Schumacher
SE-1-12S battery charger. Fully automatic,will not
overcharge and you can walk away for months
Should find them in Walmart if not I can get you one
I think. Good luck
PS about 34.00
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Old 08-05-2004, 09:41 AM
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Default RE: Radio Hot wire question - Regulator 23

If you run a wiire back to the battery for the memory line, make sure that you put an in-line fuse in the wire AT THE BATTERY, because the in-line fuse at the radio won't do you any good if a short to ground occurs in that wiring. Without that fuse near the battery, you would have a boat on fire.
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Old 08-05-2004, 04:54 PM
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Default RE: Radio Hot wire question - Regulator 23

get something like this for radio. it also allows easier hookup for vhf if you need to go directly to battery in a pinch (or carry some aligator clips).

http://www.bluesea.com/product.asp?P...65&l1=7465&l2=
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Old 08-06-2004, 09:31 AM
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Default memory power wire

I have mine (white) hooked up to the same "hot" line that my radio main (red) power line is hooked up to. They are both dead after I use the battery switch to kill the juice. I dont bother to program stations since my unit has "seek" capability.

If I just switch off the radio while cruising the same station will be playing when I turn it back on. I also installed a marine-grade toggle switch to the red line so I dont have to open the splash guard and twist the knob everytime I want to hear something else more clearly.
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Old 08-06-2004, 10:48 AM
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Default memory power wire

ps: Both wires have the original in-line fuses. Everything I have has a seperate fuse close to the appliance. I have fuse blocks that I may install someday but it's not a prioroty and they will still be close to the gizmos.
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Old 08-06-2004, 01:53 PM
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Default RE: Radio Hot wire question - Regulator 23

Just a thought; I can't believe a memory wire for a AM/FM radio will drain a battery, just doesn't make sense. Let's make one wild assumption: you use your boat once a month! Mine doesn't. What will drain a battery is having a bilge pump go on more frequently with the rain we've been having. IMO.
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Old 08-09-2004, 06:30 PM
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Default RE: memory power wire

Kamper - 8/6/2004 9:48 AM


ps: Both wires have the original in-line fuses. Everything I have has a seperate fuse close to the appliance. I have fuse blocks that I may install someday but it's not a prioroty and they will still be close to the gizmos.
Kamper- having the fuse close to the appliance is OK if your power source is close by. I think what CaptWill was trying to say is that if you run a long wire all the way back to a battery, the fuse should be at the battery end not the appliance end. That is sound advice as it protects the wire itself from a short due to chaffing along the way. You always want your fuses close to the power supply for that reason. Blown fuse or not at the appliance you still could have 20 feet of unprotected hot wire running through your boat.
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Old 08-09-2004, 07:24 PM
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Default RE: Radio Hot wire question - Regulator 23

a wire that holds the stations on a radio would take MONTHS to deplete a battery that is in good shape with no other loads on the sytem...

bilge pumps with no 3 stage chargers hooked up are the real drain for long periods of inactivity..
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Old 08-09-2004, 07:37 PM
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Default RE: memory power wire

Good point sleeper. I actually have buss-boards (I think that's the term) under my consoles so there are only a few feet between them and the accessories. Someday I'll replace the the buss-blocks with fuse blocks.

My battery switch is forward too and all my auxilary power needs are connected at that point.
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Old 08-10-2004, 08:51 AM
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Default RE: Radio Hot wire question - Regulator 23

Kamper, it's a bus bar, right idea, wrong piece of material stock.
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Old 08-10-2004, 05:33 PM
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Default RE: Radio Hot wire question - Regulator 23

If battery draining is really an issue, why not mount one of those small solar charger panels on top of the T or somewhere? Even in West they go for $100-$150, and reportedly will keep a bilge pump running indefinitely.

See here: http://www.boatus.com/boattech/SolarPanels.htm

Has anyone on THT mounted any solar panels?
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Old 08-10-2004, 06:08 PM
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Default RE: Radio Hot wire question - Regulator 23

Biff123-

That is a good question, seems like a logical choice especially for a boat on a mooring or at a dock without shore power. Going to start a new thread.
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