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03-18-2020, 11:48 AM
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#1
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Junior Member
Join Date: Mar 2020
Location: Leander, Texas
Posts: 15
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What is this component?
I'm planning to add solar capability to our recently obtained 2017 Winnebago Micro Minnie 1700bh travel trailer. In researching the wiring (there is no wiring diagram, apparentlly!) I have come on this component, located on the port side, under the unit at the base of the hitch "V", inside a junction box.
https://www.dropbox.com/s/f5ip79bp47...onent.jpg?dl=0
What is the small square item with two threaded posts on it (black wire laying across it)? I assume it's some sort of current-limiting device, either a breaker or a fuse. One side has a c.a. 8 AWG wire from the battery, and the other has a 10 AWG wire to the battery switch in the forward storage compartment. If you know what it is, do you know what it's current rating might be?
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03-18-2020, 01:17 PM
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#2
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Senior Member
Winnebago Owners Club
Join Date: May 2019
Posts: 299
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Fuse for battery protection, you would likely have to remove it for close inspection to determine the size.
__________________
2019 Winnebago Forza 36G
2018 Jeep Wrangler Sahara
Anchorage Alaska when not on the road
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03-18-2020, 01:23 PM
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#3
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Junior Member
Join Date: Jul 2013
Posts: 20
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Do you have lithium batteries? It could be a shunt, which is the only way to measure charge left in a lithium battery as it monitors amps in and amps out thru the shunt. You could use a shunt on lead-acid batteries, but they generally are not necessary.
__________________
2011 Ford F250 6.7 PSD
2016 Keystone Sprinter 298FWRLS 5'er *SOLD*
*NEW* 2021 Montana High Country 331RL 5'er
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03-18-2020, 02:16 PM
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#4
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Senior Member
Join Date: Jul 2014
Posts: 35,420
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Its an auto reset circuit breaker. It protects all wiring after it from burning up if shorted to ground.
The amp rating is stamped on the side. 
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03-23-2020, 10:14 PM
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#5
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Senior Member
Join Date: Mar 2016
Posts: 1,756
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Agreed. Self resetting (automatically) breaker. We had one go bad at a year old and was for our hydraulic system. They are cheap to replace, but tricky to find while out on the road.
In our case, it created some issues using our slides and landing gear. Had to drive an hour and half once we were able to get our fifth wheel unhitched while out of state. Long story short, we purchased a few spares (different sizes) to match the ones used in our unit so we will have what we need if that happens again.
They range in price from a few dollars to around $30. Cheap insurance in case one goes bad while on a trip.
Quote:
Originally Posted by twinboat
Its an auto reset circuit breaker. It protects all wiring after it from burning up if shorted to ground.
The amp rating is stamped on the side. Attachment 278389 |
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03-24-2020, 11:28 AM
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#6
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Senior Member
Join Date: May 2015
Posts: 1,007
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They are a stock item at any Auto Zone.
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03-24-2020, 01:05 PM
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#7
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Senior Member
Join Date: Mar 2016
Posts: 1,756
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Good to know.
Quote:
Originally Posted by dustyone
They are a stock item at any Auto Zone.
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03-24-2020, 02:40 PM
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#8
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Senior Member
Join Date: Jun 2011
Location: FL
Posts: 11,442
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Twinboat is always spot on and usually first. If you look at it very closely you should see the amp rating stamped on it.
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Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008
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03-25-2020, 07:47 PM
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#9
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Senior Member
Outdoors RV Owners Club
Join Date: Dec 2019
Posts: 565
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It's a henway....... 
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03-25-2020, 08:08 PM
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#10
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,449
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Quote:
Originally Posted by twinboat
Its an auto reset circuit breaker. It protects all wiring after it from burning up if shorted to ground.
The amp rating is stamped on the side. Attachment 278389 |
I'll have to dis-agree , the OP's photo is a Manual re-set circuit breaker . the small black plastic tab under the wire lug would pop out if the breaker is overloaded.
The auto reset has the metal housing while the manual re-set is plastic with the tab .
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99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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03-26-2020, 09:20 AM
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#11
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Senior Member
Join Date: Mar 2017
Posts: 1,505
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What is this component?
Quote:
Originally Posted by BPTS
It's a henway.......[emoji41]
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Henways are incredibly versatile. I used to occasionally send a student to the office to get one.
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03-27-2020, 01:06 PM
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#12
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Junior Member
Join Date: Mar 2020
Location: Leander, Texas
Posts: 15
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Quote:
Originally Posted by BPTS
It's a henway....... |
Ah, is that similar to a "Roll-Faster" non-evorgutational hitch bearing release?
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03-27-2020, 06:54 PM
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#13
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Senior Member
Outdoors RV Owners Club
Join Date: Dec 2019
Posts: 565
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Quote:
Originally Posted by fmouse
Ah, is that similar to a "Roll-Faster" non-evorgutational hitch bearing release?
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I think you are confusing it with blinker fluid.
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Linear Mode
