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Trouble with coach battery not charging. New battery. The 30…

Customer Question
Trouble with coach battery...

Trouble with coach battery not charging. New battery. The 30 amp breaker oscilates off a d on when tapped. Is it bad?

Mechanic's Assistant: Have you checked all the fuses? Do you have a wiring diagram?

Yes. Have diagram. Fuses OK.

Mechanic's Assistant: What is the model/year of your RV?

I'd #548866. 2006 adventurous

Mechanic's Assistant: Are you fixing your RV yourself? What have you tried so far?

I am up on electronics. Had trouble with battery separated so replaced that. Then had trouble with bad fuse going to relay. That was replaced at a camping world. When I plug in 120 power source there is a clicking and the lights flicker.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Today when I disconnected power everything went dead. I turned off inverter for a minute and when I tapped the breaker power came on but when I put a load on like the Redbridge to 120 all went dead again. The gen still starts.now as we drive there is no charge going to coach battery.

Submitted: 10 months ago.Category: RV
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Answered in 4 minutes by:
9/24/2017
RV Mechanic: Randall, RVIA Certification replied 10 months ago
Randall
Randall, RVIA Certification
Category: RV
Satisfied Customers: 14,588
Experience: RVDA/RVIA Master Certified Technician with many years experience.
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Hi! My name is ***** ***** I can assist you with this. I may need some additional information from you first in order to give a complete answer.

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RV Mechanic: Randall, RVIA Certification replied 10 months ago

N​ot a good sign for sure. How old are the batteries? Most start to fail when about 3 years old. It sounds like this may be a low DC voltage issue from the batteries. Do you have a small digital multimeter? That would be very helpful here to assist in tracking this down.

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Customer reply replied 10 months ago
I just replaced tbe coach battery and the engine battery.
RV Mechanic: Randall, RVIA Certification replied 10 months ago

The coach should have at least two batteries. You really can't run an inverter on one. Do you have a small digital multimeter so we can do some testing?

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Customer reply replied 10 months ago
Then you don't know much about the Road trek. Mine has never had but one and has worked fine for ten years. We are driving down the road. I don't, have a meter with me.
RV Mechanic: Randall, RVIA Certification replied 10 months ago

I have worked on any number of them over the years and have been on this site for over 8 and most have two batteries. You can't run an inverter off one battery and do much more than charge your cell phone. I have to go out on a Service call and will put this back up on the board and perhaps another tech can offer something useful here. If you don't have a meter we can't do much anyway.

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Customer reply replied 10 months ago
OK thanks.
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