What Gauge Wires Does the Hopkins HM20041 Use?

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Question:

Howdy, What size wires are used in this part? Im looking for a SAE Trailer standard color configuration for my cargo trailer and this part seems to meet that need. Do you have other 7-way trailer-side connectors that are SAE standard? Most everything Ive looked at on your site if for RV standard besides this one. Thanks

asked by: Michael C

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Expert Reply:

I went through our 7 Way harnesses, but this will be the only one that follows SAE standards. I spoke to Hopkins as well and the ground (white) and auxiliary power (black) are 10 gauge. The electric brake (blue) is 12 gauge. The left turn (yellow), right turn (green), tail marker (brown), and back up (purple) are 14 gauge.

expert reply by: Lazer S

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Answer 1

The wires of the Hopkins 7-Way Blade Style Connector with Molded Cable - Trailer End - 8' Long - Auto Standard #HM20041 you were looking at are the following gauges. Yellow, Green, Brown, and Purple are 14 Gauge, the Blue wire is 12 Gauge, and…

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Answer 2

The yellow wire of the 7-way harness part #H20044 that you referenced goes to the center pin of the 7-way which is an aux circuit that is typically used for reverse lights if present on the trailer. Normally the red wire on a 7-way (RV standard…

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Answer 3

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 4

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 5

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 6

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 7

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 8

Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we…

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Answer 9

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 10

Yes, we do. To add a hitch to your 2024 Toyota Grand Highlander, I recommend the Curt Trailer Hitch item #C26VV. This hitch is custom fit and bolts to your Toyota with included hardware. This is a class III hitch with a 2" receiver. It has a…

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Answer 11

Since your trailer has the bracket #FRCBRKT-BL that would mean your trailer has the Furrion pre-wiring which is very common for newer RVs. The part #FOS43TASF is a fit for this and would be a really easy install. This gives you a monitor with a 4.3…

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Answer 12

Hey Richard, thanks for reaching out! The Dexter DX7.5 Drop-N-Go Brake Actuator #099-175-00 is a great option for a replacement actuator because it's a direct replacement for the common Model 60 actuators that were popular in the '90s.…

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What Gauge Wires Does the Hopkins HM20041 Use?

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