How To Attach A Ground Wire To Trailer Frame

Question

Question:

Is there anything that will secure the ground wire to the metal on a trailer to ensure the ground wire will stay in contact with the trailer? Or is it best to just drill a hole in the metal and secure the ground wire by placing a screw through the metal rim on the end of it?

asked by: Candy W

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Expert Reply:

The best way to secure a ground to a trailer or any metal surface is to do exactly what you described.

You will want to make sure you have a ring terminal like part # DW05702-1 attached to the ground wire first. Then drill a hole in the surface you want to attach the ground to. Make sure the surface is clean and free of any solvents, grease, or dirt and securely fasten the ring terminal with a sheet metal screw.

expert reply by: Jeffrey L

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Answer 1

Typically 4-way wiring consists of 18 and 16 gauge wires. For a 4-way that has all 16 gauge wire you would want the Wesbar 4-Pole Flat Connector #W787264. The part #HM38138 uses 18 gauge for all wires but the white that uses 16 gauge.

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Answer 2

Electric brakes have 2 wires located at the back. One is for power and the other is for ground (it doesn't matter which is used for which function). The ground wires should be connected to the trailer frame. The only other place that would carry…

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Answer 3

You have a good plan! You are correct that once you have a functional 7-way connector and the Tekonsha Prodigy P3 #90195 installed in your truck that you will not need any other wiring on the truck. Going with a junction box like the #38656 to…

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Answer 4

The wires that are routed through an axle, like the etrailer.com #e43SR, are there to connect electric brakes together (see included picture). You do not have to use them if you prefer not to, but as they are more protected than an exposed wire, it…

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Answer 5

We definitely have what you need to add electric brakes to your trailer. I spoke with Dexter to make sure I recommended the correct parts for you, and the spindles that were used on your 2,500 pound axle is actually the same one used on the very…

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Answer 6

If you are referring to two white wires from the brake magnet that are coming from the rear of each electric brake assembly, then it would not matter which wire is connected to ground and which wire is used for the brake feed. The magnet that…

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Answer 7

The etrailer brand axle #e32GR is pre-greased using a lithium complex multi-purpose grease like the #DX64TR.

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Answer 8

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 9

Red lithium grease such as #L11390 is one we use often here for installations and it is compatible with other Lithium formulas. I have included a link to our help article that covers grease compatibility. There are greases that are not compatible…

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Answer 10

No, if the breakaway battery on the trailer is dead and the pin is pulled out of the switch then no power would be sent to the trailer brakes and they would not lock up. If they do lock up then the brakes must be getting power from another source or…

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Answer 11

You can definitely ground your trailer brake assemblies to your trailer frame. This will be just as effective and also will be a much easier install.

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Answer 12

The Dexter D35 axle is a 3,500 lb trailer axle so for a bearing kit you would want the part #BK2-100 that you referenced.

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How To Attach A Ground Wire To Trailer Frame

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