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Old 08-20-2016, 04:59 PM   #1
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Ace passenger desk electric question?

The desk in front of the passenger in the ace has both 110 and 12V outlets. I can't find any information in the owners manual about these outlets. Can anyone tell me if they run off the house or the engine battery?
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Old 08-20-2016, 05:05 PM   #2
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Quote:
Originally Posted by Sandystar View Post
The desk in front of the passenger in the ace has both 110 and 12V outlets. I can't find any information in the owners manual about these outlets. Can anyone tell me if they run off the house or the engine battery?
In my Challenger the 110 outlet by the passenger's seat is hot when connected to shore power or while the generator is running. That outlet is not connected to the inverter so if mama needs to charge her Surface while travelling the generator must be running.

My coach does not have a 12VDC outlet by the passenger so I can't answer that part.
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Old 08-20-2016, 09:12 PM   #3
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We've got both outlets in our "desk", and Dave's response to the 110 outlet. The 12v will work fine without the generator.
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Old 08-20-2016, 09:36 PM   #4
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I have both outlets as well...
The part that wasn't answered yet is whether that 12v is powered by the coach or the chassis.
We've proved here many times that there is no one answer to what feeds what... even for the same model. In my case, that 12v outlet is on the chassis - but doesn't matter as when I'm driving, or on shore power, the chassis battery is being charged as well (again seemed not to be something consistent.)

Easy test - place coach battery in 'Store' and see if the 12v outlet works.

I don't have a (built in) inverter - so the 110 outlet is dead unless on shore power or generator.
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Old 08-21-2016, 12:10 AM   #5
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Thanks for the hint - I'll test in am & let you know

Quote:
Originally Posted by gmc View Post
I have both outlets as well...
The part that wasn't answered yet is whether that 12v is powered by the coach or the chassis.
We've proved here many times that there is no one answer to what feeds what... even for the same model. In my case, that 12v outlet is on the chassis - but doesn't matter as when I'm driving, or on shore power, the chassis battery is being charged as well (again seemed not to be something consistent.)

Easy test - place coach battery in 'Store' and see if the 12v outlet works.

I don't have a (built in) inverter - so the 110 outlet is dead unless on shore power or generator.
Many thanks
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Old 08-22-2016, 09:46 AM   #6
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Tested 12volt outlet

Greg
Thank you. I tested the outlet with the battery in store. It was still working. So I now know it works off the chassis. I have a 12 volt fan I wanted to run to add a little comfort on these dog days of summer. I have to be careful if not hooked up to shore power not to drain the chassis battery if I use it.
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Old 08-22-2016, 11:05 AM   #7
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We also bought a small inverter to change the 12v to 120v. It seems the
I Pad charges better on 120 than 12.
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Old 08-22-2016, 11:45 AM   #8
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Quote:
Originally Posted by Ed-Helen pns
We also bought a small inverter to change the 12v to 120v. It seems the
I Pad charges better on 120 than 12.
That is likely because your 12V -> USB adapter probably only puts out standard USB current (500ma). The 120V Apple iPad brick puts out a bit over 2a (4x as much).
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Old 08-22-2016, 12:43 PM   #9
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I installed this in my RV:
https://www.amazon.com/BANDC-PJH-RS-.../dp/B00MNGCDVS
2 USB outlets - one at 2.1A, the other at 1A.

If you will only be unplugged a short time, certainly the inverter works - but the losses converting 12vDC to 110vAC then back to 5vDC will drain the supply battery much quicker than just the 12vDC -5vDC adapter.

I do have an inverter with me if needed - but rarely use it...
Have a 12v adapter to power the laptop... and added a 12v TV in bedroom...
110 only needed for microwave and A/C - and those need the genny running.
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