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Old 05-23-2014, 01:22 PM   #1
DAW
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Pioneer Radio run on shore power?

I have a Pioneer avh-1400dvd radio that can also play what is on my ipod. When the vehicle is turned off and the RV is parked, I expected that the radio would run on shore power. It seems to only run when the key is turned to Accessory, but I assume this will drain my vehicle battery.

Any suggestions?
Thanks,
DAW
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Old 05-23-2014, 03:40 PM   #2
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I my rig I have a dashboard toggle switch that has TRAVEL/PARK as the two positions (I believe that these are the selections on the switch). Well when I am motoring down the road or the engine is on...I select Travel and I can play the radio off the alternator. When I am PARKed... I flip the dash position of the switch and can play the radio from HOUSE batteries.
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Old 05-23-2014, 04:02 PM   #3
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Does your power converter also charge your cab battery when you are plugged into shore power? If so then don't worry about it.

You can check the voltage at the cab battery. When you plug into shore power with the engine off the cab battery should go from 12.6 volts to about 13.2 volts or higher. If it does you won't kill the cab battery by running the radio when plugged into shore power. If the battery stays at 12.6 volts you could install a switch to switch the radio from the cab battery to the house batteries.
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Old 05-23-2014, 04:22 PM   #4
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Quote:
Originally Posted by DAW View Post
I have a Pioneer avh-1400dvd radio that can also play what is on my ipod. When the vehicle is turned off and the RV is parked, I expected that the radio would run on shore power. It seems to only run when the key is turned to Accessory, but I assume this will drain my vehicle battery.

Any suggestions?
Thanks,
DAW
DAW
If it uses 12VDC power, your radio, (when it's turned ON), will eventually drain whichever battery it is drawing power from, (just like any other 12V device)...it maters not if the key is ON or OFF.
However if the key must be on accessory for the radio to get power there may be accessories drawing power from the battery needlessly.

BTW, most, (but not all), motorhomes have a "converter", which provides 12VDC power to the 12V house devices, (fans, lights, furnace, etc.), when connected 120VAC shore, (or genset), power.

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Old 05-23-2014, 04:41 PM   #5
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If you don't want to leave the ignition on ACC position, it's not hard to wire the radio for power from the house batteries. Buy a DPDT (Double Pole Double Throw)(You could use a Single Pole DT switch, but the first is easier to find) switch and mount it in or under dashboard. Cut the 12 v (+) wire from ignition to radio. Connect it to the switch like this:


Now add a new wire from house battery source to the radio. The original wire should have a fuse, add a fuse in line you add to the house battery.
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Old 05-23-2014, 04:49 PM   #6
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Or just move the 12V supply cable to the house 12V. That is how our two units were/are wired. Neither work off the chassis battery and will not work if the house battery power is turned off.
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Old 05-23-2014, 04:58 PM   #7
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Quote:
Originally Posted by Gocoffeer View Post
I my rig I have a dashboard toggle switch that has TRAVEL/PARK as the two positions (I believe that these are the selections on the switch). Well when I am motoring down the road or the engine is on...I select Travel and I can play the radio off the alternator. When I am PARKed... I flip the dash position of the switch and can play the radio from HOUSE batteries.
Same here.
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Old 06-13-2014, 03:10 PM   #8
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I have the same radio and problem

Quote:
Originally Posted by DAW View Post
I have a Pioneer avh-1400dvd radio that can also play what is on my ipod. When the vehicle is turned off and the RV is parked, I expected that the radio would run on shore power. It seems to only run when the key is turned to Accessory, but I assume this will drain my vehicle battery.

Any suggestions?
Thanks,
DAW
When I am connected to shore power, I use a Battery Minder with a cigarette lighter attachment. My cigarette lighter on the dash of my Ford E450 is always on. I plug in the Battery Minder into this outlet and plug the other end into a 110v receptacle. It keeps the chassis battery topped off. This would work also if you ran your generator, but not if you are not hooked up to 110v.
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Old 06-13-2014, 10:58 PM   #9
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Should be a switch on the dash to switch from chassis battery to coach batteries.
Pretty common on most every class A or C MH's.
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Old 06-14-2014, 09:23 AM   #10
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I have a 2013 Thor Chateau that acts the same way. In fact it has the exact same radio. I called Thor and was told there’s not switch travel/Park. You have to leave it in ACC for the radio to work and it will not kill the batter because your plugged into shore power which charges both the house and chassis battery.

I have done this and it seemed to work fine. I just hate leaving my keys in while kids listen to the radio and I go for a walk. So I may at some point have it moved to house battery just makes more sense and Thor did do this on the 2014 linup
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Old 06-14-2014, 12:19 PM   #11
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It may or may not run down your battery.. I have a Bi-Directional Isolator Relay. thus shore power charges the chassis battery..

however You will need

A SPDT toggle or rocker switch
A label maker of some sort,, I like my brother P-Touch.

A drill
Some wire

And a means to connect the wire to other wires and to the switch.

A fuse holder and inline fuse

And a source of 12 volt HOUSE power under the dash.

Find the main (not memory) power wire to the radio, this is the wire that is ONLY live when the key is in one of the Accessory on positions (RUN or Accessory) Cut it.

Extend the cut end NOT connected to the radio to one end of the SPDT switch

Connect the other end via the fuse holder and fuse to the 12 volt HOUSE source

Connect the cennter terminal to the radio (the other cut end)

Try radio with ignition OFF, if it works label that position HOUSE or AUX
Try the other position, if radio shuts off turn key to IGNITION, if radio now works install is good and label that side "MAIN or Chassis or Ignition"

And that. is the entire job (other than clean up)
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Old 06-16-2014, 03:18 PM   #12
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Originally Posted by JJI View Post
I have a 2013 Thor Chateau that acts the same way. In fact it has the exact same radio. I called Thor and was told there’s not switch travel/Park. You have to leave it in ACC for the radio to work and it will not kill the batter because your plugged into shore power which charges both the house and chassis battery.

I have done this and it seemed to work fine. I just hate leaving my keys in while kids listen to the radio and I go for a walk. So I may at some point have it moved to house battery just makes more sense and Thor did do this on the 2014 linup
My 2014 Itasca Pioneer radio is also powered by the chassis battery only. My 1997 Coachmen is powered by the house battery only. I would be surprised if your chassis battery is in fact charged when you are hooked up to shore power. I know mine isn't, and probably most aren't, as they come from their respective factories. A few months back I discovered after a couple of days passed, that I had left my ignition switch on. It was on, probably because I had retracted the slide, and forgot to turn it off. In that case I managed to kill both my chassis and house batteries.
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Old 06-16-2014, 05:34 PM   #13
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2013 Thor Four Winds Pioneer Radio/ Chassie Battery Issue

For all those who have a chassie battery issue, and your Thor class C rig was produced between 8/5/2012 and 10/31/2012, Thor has issued Technical Information Bulletin # 13-002. This bulletin gives instructions on how to correct the Pioneer Radio wiring to stop the excessive parasitic chassie battery load.
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Old 06-17-2014, 08:58 AM   #14
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My 2014 Itasca Pioneer radio is also powered by the chassis battery only. My 1997 Coachmen is powered by the house battery only. I would be surprised if your chassis battery is in fact charged when you are hooked up to shore power. I know mine isn't, and probably most aren't, as they come from their respective factories. A few months back I discovered after a couple of days passed, that I had left my ignition switch on. It was on, probably because I had retracted the slide, and forgot to turn it off. In that case I managed to kill both my chassis and house batteries.
Hi mike
I called Thor again and was told it will charge chassis battery. They also explained if it isn't there's a device sorry forget name under the hood top right that has a fuse check it to see if it's blown but that controls it. I have also camped for 5 days with rv in acc when we listen to music with no issues

If you were connected to shore power and it killed both house and chassis I'm guess you have another issue. Even if your unit doesn't charge chassis as mine does it would still charge your house
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