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04-18-2015, 04:50 PM
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#1
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Member
Join Date: Apr 2015
Location: Ottawa
Posts: 41
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What is this Doo-Hicky on Battery
Hi,
I just bought a travel trailer and noticed this doo-hicky on one of the power leads coming from the battery. Can anyone tell me what this is. I don't think it is an in-line fuse as there is already one of those inline as well.
Pic Attached.
Bill
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04-18-2015, 05:12 PM
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#2
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Senior Member
Join Date: Oct 2014
Location: Houston
Posts: 222
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That's just a wire connector to go from one wire to another, its waterproof type. Notice the wire changes color.
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04-18-2015, 05:22 PM
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#3
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,771
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Wire splice, aka doohickey!
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04-19-2015, 05:24 AM
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#4
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Junior Member
Join Date: Sep 2014
Location: Oromocto, New Brunswick, Canada
Posts: 23
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Wire splice for your electric jack.
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2015 JayFlight 28BHBE
2014 Gulfstream Gulfbreeze 24RBH (Junk, traded)
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04-19-2015, 05:34 AM
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#5
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Senior Member
Join Date: Aug 2013
Location: Bellingham,Wa.
Posts: 6,657
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Quote:
Originally Posted by Dirkdaddy
That's just a wire connector to go from one wire to another, its waterproof type. Notice the wire changes color.
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X2. And your electric brakes have the same connectors on the back.
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04-19-2015, 05:42 AM
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#6
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Senior Member
Join Date: Apr 2015
Location: Western New York
Posts: 605
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The "Doo Hickey" is where the 30 amp fuse is for the power tongue jack. Lift the small black tab on top and you will see it. Pull out to replace. Always have spare fuses handy as you will blow some on this jack from time to time.
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04-19-2015, 09:26 AM
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#7
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Site Team
Join Date: Nov 2012
Location: Clearwater, FL area
Posts: 5,196
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I do not think you will find a fuse in that rubber boot. The one on my trailer is in the 4x4 electrical box on the frame and is used to connect the brakes to the break-away switch (as mentioned by Tunce the Traveler). They usually only use that type for wire connectors. Open it up and take a look.
My question would be, where does the other end of the black wire go? If it goes to the tongue jack, is there an inline fuse between that connector and the tongue jack? If not go to an auto parts store and get a 30 amp inline weather-proof fuse holder and a few 30 amp replacement fuses, sooner or later you will blow a fuse.
Just my thoughts,
Don
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04-19-2015, 10:31 AM
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#8
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Senior Member
Join Date: Feb 2015
Location: Eagle River, AK
Posts: 900
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^^ what he said.
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We are just a humble drinking couple with a hunting and camping problem.
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Previous: Komfort 5er/Jamboree MH/Lance Cabover/Jayco Whitehawk 25BHS TT
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04-19-2015, 11:36 AM
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#9
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Senior Member
Join Date: Jan 2015
Location: Loris
Posts: 253
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I think you will find that the thing covering the splice is called a "Wrap Cap". Used sometimes instead of taping the connection. It's a lot quicker than taping, and it's more easily removeable, but not sure it's approved for wet locations, but not that big an issue with 12v.
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Randy, Karen & Abby (Pom-a-Poo)
2014 Eagle HT 27.5RLTS
2015 F250 Super duty 6.2L full trailering pkg.
Loris, South Carolina.
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04-20-2015, 07:17 PM
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#10
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Site Team
Join Date: Nov 2012
Location: Clearwater, FL area
Posts: 5,196
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Here is a picture of the "CRIMP" connector that was in my "wrap cap". It was a good thing that I was doing a SOLAR/BATTERY upgrade/rewire project and I happened to be redoing the 4x4 electrical box mounted to the frame by the tongue. I pulled the wires out of the box to get a better look at the mess of wires in it and I pulled the wrap cap and the blue wire came out of it. That is the wire from the "Break-away" switch. I then opened the cap and the wire that goes to the TT's brakes came out of the connector. Not good!!!
It seems that the JAYCO person in charge of crimping wires that day, did not eat their Cheerios. I heard from a few other people that they encountered the same thing.
Just my thoughts,
Don
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04-20-2015, 08:38 PM
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#11
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Senior Member
Join Date: Jan 2015
Location: Loris
Posts: 253
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That is a special type of electrical crimp connector, and requires a special set of pliers to crimp it with. If done correctly, (as the one in the picture obviously wasn't,) the wires will not come loose. I've made tens of thousands of connections using those, and never had one fail. Of course, same thing with "wire nuts", they can be installed incorrectly also and can fail. Just like so many other things, they are no better than the person that installs it.
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Randy, Karen & Abby (Pom-a-Poo)
2014 Eagle HT 27.5RLTS
2015 F250 Super duty 6.2L full trailering pkg.
Loris, South Carolina.
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04-20-2015, 09:19 PM
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#12
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Senior Member
Join Date: Aug 2014
Location: Morris
Posts: 250
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By the way, it's not a doohicky, it's a whatchamacallit. It's not a thingahmajig either.
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Retired and loving it.
Got a new 2014 Grayhawk 31DS
Hoping to get away from the IL winters
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04-21-2015, 06:05 AM
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#13
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Site Team
Join Date: Nov 2012
Location: Clearwater, FL area
Posts: 5,196
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My answer to the doohicky, whatchamacallit and the thingahmajig issues. Used it a lot rewiring the SOLAR/BATTERY connections. So far so good!!!
Just my thoughts,
Don
The tool and a sample of work done by the doohicky, whatchamacallit and the thingahmajig issue elimination tool.
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07-08-2016, 12:20 PM
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#14
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Member
Join Date: Jul 2016
Location: N America
Posts: 94
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Quote:
Originally Posted by Mustang65
My answer to the doohicky, whatchamacallit and the thingahmajig issues. Used it a lot rewiring the SOLAR/BATTERY connections. So far so good!!!
Just my thoughts,
Don
The tool and a sample of work done by the doohicky, whatchamacallit and the thingahmajig issue elimination tool.
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Brilliant work Mustang!
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