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Old 12-31-2015, 05:53 PM   #21
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If you have a question Jeff Holmes at CC was very helpful but I doubt that CW knows what they are doing since 12 volt batteries will also work just as good. I sure hope they did not charge you for this incorrect analysis.
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Old 12-31-2015, 06:06 PM   #22
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I have the residential fridge in my 2015 ckts and the inverter would just shut down while driving down the road after several hrs. Was told by CW it was the inverter. So new was installed. Same problem. Now they tell me its because they only put 2-12v batteries in instead of 4-6v batteries. So next up is the batteries. Still waiting to get it back.
I run on one 12v battery and never have had a problem. I bet your TV is not charging your battery while towing. Check you owners manual. Many TV's have a separate fuse and relay for the charging circuit to the TV. I found mine in the glove box...
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Old 12-31-2015, 09:18 PM   #23
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dalford: CW checked the TV first. It is charging the batteries when on the road. You are running a residential refrigerator with only one 12v battery?
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Old 12-31-2015, 10:11 PM   #24
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With the truck charging, even one battery should be enough to keep the fridge going...


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Old 12-31-2015, 10:38 PM   #25
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dalford: CW checked the TV first. It is charging the batteries when on the road. You are running a residential refrigerator with only one 12v battery?
Yes, no problems...

Is your TV factory wired or did CW do it? I would get another opinion.. Here is how a 7 pin should be wired. Get a voltmeter and check it out.
https://www.etrailer.com/faq-wiring.aspx
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Old 01-01-2016, 02:39 PM   #26
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Ok. 1 12v battery will not stay charged long enough for the fridge to run for more than a couple of hrs. And a lesson on charging system. The charging system on today's vehicle will shut down while driving down the road for better fuel economy. if it sees the vehicle battery low it will start charging. It does not look at the RV batteries. Ask any new technician and he will explain it. This is why you have to have more than 1 12v battery.
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Old 01-01-2016, 02:43 PM   #27
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Ok. 1 12v battery will not stay charged long enough for the fridge to run for more than a couple of hrs. And a lesson on charging system. The charging system on today's vehicle will shut down while driving down the road for better fuel economy. if it sees the vehicle battery low it will start charging. It does not look at the RV batteries. Ask any new technician and he will explain it. This is why you have to have more than 1 12v battery.

Never heard of that before.

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Old 01-01-2016, 02:48 PM   #28
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Alternator needs to be charging to support the 30 + modules on today's vehicles.

Heated seats, steering wheel, heater, etc.

Some trucks even have two alternators.


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Old 01-01-2016, 05:04 PM   #29
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Ok. 1 12v battery will not stay charged long enough for the fridge to run for more than a couple of hrs. And a lesson on charging system. The charging system on today's vehicle will shut down while driving down the road for better fuel economy. if it sees the vehicle battery low it will start charging. It does not look at the RV batteries. Ask any new technician and he will explain it. This is why you have to have more than 1 12v battery.
Not sure where you learned this lesson. We are not talking about a Prius here. We are talking about trucks. My fridge has operated, while towing for over 10 hrs on one 12v battery being charged by my Ford SD alternator.

If your learning this stuff from CW, you might want to run away from there and as fast as you can. I'm just saying you have another issue that your battery is not charging while being towed. You may never resolve it because once you get enough batteries installed it will probably get you from point A to B until you reconnect to shore power... Good luck...
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Old 01-01-2016, 07:25 PM   #30
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Not sure where you learned this lesson. We are not talking about a Prius here. We are talking about trucks. My fridge has operated, while towing for over 10 hrs on one 12v battery being charged by my Ford SD alternator.



If your learning this stuff from CW, you might want to run away from there and as fast as you can. I'm just saying you have another issue that your battery is not charging while being towed. You may never resolve it because once you get enough batteries installed it will probably get you from point A to B until you reconnect to shore power... Good luck...

You must have a strong 12volt battery because as small a wire is from the alternator to your battery is on the camper, a small wire just can't handle a lot of current. I could be wrong but if you don't have battery with a lot of amps you will have problems. I think that's why from the alternator to the battery on your truck, short distance big cable. But I could be wrong but unless you have a good battery on camper then you will have trouble


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