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Old 06-07-2024, 02:52 PM   #1
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12V Power To Coach Is Out - Need Assistance

I have had a 2014 Coachmen Freelander 21QB for the last 4 years. Had to replace the generator fuel pump today which was a pretty straight forward project. Bumped the removed positive wire to ground and got a spark but didn't think much of it (had the house battery switch to off but apparently that was hooked to the chassis battery?). Anyways - completed the repair but now I have no power to the coach. Batteries under the steps are both 12.7Vdc and everything was working perfect before my mistake. Reset all the breakers in the coach...reset the single pole breaker on the generator. Still I get nothing when I put the house battery switch to on. There appears to be a 12vdc distribution block and/or relays under the step and the motorhome manual details nothing about their function. My 12vdc runs to the distribution block but then nothing after that - leads me to believe this is possibly a breaker/fuse?

Anyone with a similar system/coach out there...I'm open to any/all suggestions.
Here is the generator and 12v system under the steps (? on what is on the left side):



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Old 06-07-2024, 03:10 PM   #2
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Moved thread from the General Tech and Repair section to the Coachmen Motorhomes sub-forum for better help from other Coachmen Motorhomes owners and possible factory support.
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Old 06-07-2024, 03:17 PM   #3
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Check your converter to see if perhaps the reverse polarity fuses are blown.
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Old 06-07-2024, 03:45 PM   #4
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Thanks for jumping in! I did check both fuses with my DMM and they were fine - replaced them both anyways. The red wire in the lower left of the generator picture is the wire I shorted to ground. Reminder to NEVER do that again!

Here is a more detailed view of the left side of the coach battery compartment and what I thought was just a 12V Bussman Distribution Block. It appears the 12.7vdc disappears through these connections:

https://www.forestriverforums.com/fo...1&d=1717793078

Head scratch?
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Old 06-07-2024, 04:18 PM   #5
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Confirmed with the engine running all coach functions work perfectly (12v battery switch on). As soon as you shut the engine off the 12V system is dead. Like there is a 12v breaker or ? that is tripped.
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Old 06-07-2024, 05:00 PM   #6
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*SOLVED*

Found a fusible link on the left side of the battery compartment that was 100% blown. *SOLVED*. Fuse ordered. I will always keep a spare handy from now on. Hard to believe the manual had ZERO details about this in the 12V system:


https://www.forestriverforums.com/fo...1&d=1717797638
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Old 06-07-2024, 10:42 PM   #7
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Quote:
Originally Posted by AlanRV173 View Post
Found a fusible link on the left side of the battery compartment that was 100% blown. *SOLVED*. Fuse ordered. I will always keep a spare handy from now on. Hard to believe the manual had ZERO details about this in the 12V system:


https://www.forestriverforums.com/fo...1&d=1717797638
Good job!
Most of us are aware that a generic owners manual is the RV Industry standard. I'm not surprised that there wasn't anything in the manual about this, it's too specific.
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Old 06-09-2024, 11:48 AM   #8
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I would replace it with one of these so you can reset it if camping somewhere. If it should ever happen again.



https://www.amazon.com/Circuit-Break...0B6N3MHFX&th=1
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