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Randall
Randall, RVIA Certification
Category: RV
Satisfied Customers: 11918
Experience:  RVDA/RVIA Master Certified Technician with many years experience.
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My 19 foot wolf toy hauler had corroded battery terminal

Customer Question

My 19 foot gray wolf toy hauler had corroded battery terminal after I cleaned them I did not have
JA: Have you tested the battery with a voltmeter? And can you see if it's leaking or not?
Customer: Brand new battery I have 12.5 volts at the juncti6box under the trailer. I did accidently break of the cap to the 110 connector on the side of the trailer the 2 wires and end terminal is still intact
JA: What is the model of your '12 RV?
Customer: 19rr(###) ###-####JA: Are you fixing your RV yourself? What have you tried so far?
Customer: Yes replaced battery checked fuses display does not light up
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 1 month ago.
Category: RV
Expert:  Randall replied 1 month ago.

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.

Customer: replied 1 month ago.
Ok
Expert:  Randall replied 1 month ago.

You cleaned the battery terminals and now you don't have any 12 VDC power? Not sure what you broke there. Maybe attach a photo of that so I can see what you are talking about. Use the paperclip icon for that. All follow ups are included in our fee.

Expert:  Randall replied 1 month ago.

I can give you a call as soon as Customer Service clears your payment with the card company. Maybe just a Fraud Alert.

Customer: replied 1 month ago.
It should work now
Customer: replied 1 month ago.
Where are you
Expert:  Randall replied 1 month ago.

I am in California.

Customer: replied 1 month ago.
Did you get it
Customer: replied 1 month ago.
I sent the picture
Expert:  Randall replied 1 month ago.

Yes. I see what you mean on the cord.

Customer: replied 1 month ago.
Any ideas on next step
Expert:  Randall replied 1 month ago.

D​o you have a small digital multimeter for some testing?

Customer: replied 1 month ago.
Expert:  Randall replied 1 month ago.

About $20 or so at most hardware stores and easy to use. What did you actually break in that 120 VAC inlet at the cord?

Customer: replied 1 month ago.
Just the outside dust/weather cap
Expert:  Randall replied 1 month ago.

O.K. Plug in the coach and take a DC volts reading at the battery(s). You should have about 13.7 VDC.

Customer: replied 1 month ago.
12.68
Expert:  Randall replied 1 month ago.

So it isn't charging or it isn't reaching the battery. Try it again at the load center. Take the cover off and check the power there.

Expert:  Randall replied 1 month ago.

What is the make and model of your load center?

Customer: replied 1 month ago.
Waco 8955pec
Customer: replied 1 month ago.
Don't know how to test
Expert:  Randall replied 1 month ago.

Take the cover off and take a reading between the heavy red and heavy white leads on the fuse block. They should be marked as battery leads.

Customer: replied 1 month ago.
Ok on the phone for a moment
Expert:  Randall replied 1 month ago.

No word on the phone chat yet........

Customer: replied 1 month ago.
That is no doubt the problem rhanks
Expert:  Randall replied 1 month ago.

What kind of DC volts reading did you get at the load center? Were the reverse polarity fuses o.k.?

Customer: replied 1 month ago.
13.67 fuse ok
Expert:  Randall replied 1 month ago.

So the problem is probably at the shortstop breaker. See the attached link to see what you are looking for. https://www.bing.com/images/search?q=shortstop+breaker+photo&id=8D4939A7F0965679E3E29C89B963B0D9C24CDC15&FORM=IQFRBA

Expert:  Randall replied 1 month ago.

Most have a small black button on the end with the copper post that you have to push in so it will reset. Low voltage trips them.

Expert:  Randall replied 1 month ago.

B​y code they have to be within 18" of the battery. Follow the red lead right to it or them as sometimes there is more than one.

Customer: replied 1 month ago.
Thank you I had to leave home for an appointment
Expert:  Randall replied 1 month ago.

No problem...........I took a dinner break. I think when you find that you will have the solution.

Expert:  Randall replied 1 month ago.

J​ust checking back in to see if you were able to track down the shortstop breaker? Never did get any notice on the phone chat payment.