Wire Color Functions on the Hopkins 5th Wheel/Gooseneck Wiring Harness Part # 41157

Question

Question:

What does each color do green is right yellow is left brown is tail lights I’m modifying it to use on my 04 ram just need to know Purple Blue White Red

asked by: JJ

0

Expert Reply:

In regards to the Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness with 7-Pole Plug part # 41157:

Purple - Reverse/Backup Light (Center Pin)

Blue - Brake Controller Output (5 O'Clock Pin)

White - Ground (7 O'Clock Pin)

Red - +12 Volt Power (2 O'Clock Pin)

You can see a photo of how the wire color relates to the pin positions below.

expert reply by: Conner L

0

click to enlarge

Answer 1

The black wire on the Hopkins 7-Way Molded Trailer Wire Connector - 11' Long #HM20048 you were looking at is for the 12v power circuit that typically gets used to trickle charge an on-board battery, or for powering an electric trailer jack. If…

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Answer 2

It sounds like your truck will use a 7-way harness like Hopkins #40167 which uses connectors like what you describe. Please refer to the linked photo that shows those connectors. This includes a 7-way socket that plugs into the included round U.S.…

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Answer 3

The red wire on the input side of the converter box of the Hopkins wiring kit part #40215 is the stoplight circuit. The converter box takes the wiring setup on your vehicle which has the stoplights and turn signals on different wires and combines…

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Answer 4

At this point, you'll want to follow the physical wire from your connectors at the nose of your trailer all the way through the frame and body back to the left (driver's) side, checking its power as you go. It's really easy to do this…

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Answer 5

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 6

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 7

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 8

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 9

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Answer 10

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 11

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 12

Since wire color codes are NOT universal, we always recommend wiring by function, rather than wire color. If you look at the Trailer Wiring FAQ article I have linked you to, you can see some diagrams showing the proper way to wire a vehicle and…

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Wire Color Functions on the Hopkins 5th Wheel/Gooseneck Wiring Harness Part # 41157

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