Dimensions of 3430001-JBK Trailer Wiring Junction Box

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Question:

Wondering the dimensions of the junction box?

asked by: Gregg T

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Expert Reply:

The junction box in the Installation Kit for Autowbrake Trailer-Mounted Electric Brake Controller part # 3430001-JBK measures 7" long x 3-1/4" wide x 2-3/4" tall. The overall length with the with mounting flanges included is 8". The distance between the mounting holes on center is 7-3/8". The mounting flange dimensions are 3/4" wide x 1/4" thick.

expert reply by: Mike L

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Answer 1

You will first want to check the fuses on your tow vehicle. Some vehicles could have fuses for operating the turn signals and brake lights of a towing package. You will want to check if they are installed and working properly. The next thing is to…

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Answer 2

To answer your first question, there isn't a traditional "adapter" to allow the 7 way on your trailer to plug into a 4 way connector on your vehicle- at least not in the manner that you're thinking of. For that…

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Answer 3

It really comes down to the 7-way and wiring you are using. You saw the Hopkins 7-Way RV Style Connector #HM20087 which uses the following wiring configuration. White: ground wire Red: left turn/brake light Brown: right turn/brake light Green: tail…

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Answer 4

You can route the grounds from your brakes to your junction box like part #38656 but most people just ground the brakes to the trailer frame. The frame is a ground which is why this can be done, just make sure that it is a secure connection to a…

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Answer 5

I believe what you're needing is the Junction Box and Installation Kit #3430001-JBK along with the Pollak Heavy-Duty, 7-Pole, Round Pin Trailer Wiring Socket #PK11720 and then 8' - 10' of the Deka Wire - Jacketed 7-Wire #DW04914-1 (sold…

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Answer 6

The dimensions of the trailer wiring junction box, product #38656 are, length 7 inches, width 3-1/2 inches, height 2-1/4 inches and the mounting flange distance is 7-3/8 inches on center and is 8 inches overall. Mounting flanges are 1/4 inch thick…

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Answer 7

To wire in a new 7-way connector to your 5th wheel trailer you will want the Junction Box and Installation Kit item #3430001-JBK and the 11' Hopkins 7-Way Molded Trailer Wire Connector item #HM20048. This kit comes with ring terminals, heat…

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Answer 8

The best trailer wiring kit we offer for your 2020 Subaru Outback Wagon is the Curt trailer wiring harness part #C56040 as it installs very easily and has the highest amperage rated converter box which allows it to be the most resistant to internal…

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Answer 9

The trailer brake controller I highly recommend for a 2019 Subaru Outback is the Curt Echo Wireless Trailer Brake Controller part #C51180 which does not require any splicing or drilling into the dash. It will require the Hopkins Plug-In Simple…

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Answer 10

The Curt T-Connector Vehicle Wiring Harness #C56040 will provide brake, tail, and left and right turn lights to a trailer with a 4-way flat connector. This wiring harness will not provide your trailer with a power supply. The harness requires a power…

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Answer 11

The grommets included with the Spectro Junction Box, #38656, have an inner diameter of .603 inches. These grommets would definitely be too small for your larger output cable and would be a tight fit with your input cable. I checked our other junction…

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Answer 12

Finding the connection point for the trailer wiring part #C56040 can be challenging. We've had a few customer report having a harder time finding it. One lady told us it was a matter of reaching further than you'd think past the panel to get…

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Dimensions of 3430001-JBK Trailer Wiring Junction Box

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