Using the 12 Volt 7-Way Circuit for Off Road Lights on a Trailer

Question

Question:

Hello I am having trouble getting my led off road lights to work on my trailer , the lights have a on and off switch and I’m trying to run them through the 7 way plug in . The on off switch lights up ! But when I flip the switch to power on the lights they stay light for a half second and then go out . Need help trouble shooting the issue thank you

asked by: Brian

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Expert Reply:

This sounds like a power draw issue. The 12 volt circuit on your 7-way is only designed to provide a certain amount of amps which will vary depending on the vehicle but it is usually around 20-40. If the power draw of your off road lights exceeds this then that is what would cause them to cut out. It may be best for you to just run the off road lights directly to the battery with a quick disconnect in between the trailer and tow vehicle. For quick disconnects I recommend part # PK11852 trailer side and part # PK11851 vehicle side.

expert reply by: Conner L

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Answer 1

The wiring kit #BDW20207 that you have referenced would actually work well for you. It is designed for winches ranging in capacity from 5,000 up to 16,500 pounds. There are several ways you can wire up a winch depending on where you are putting it. I…

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Answer 2

You may not even need load resistors to switch to LED lights. The best thing to do is to try the lights without load resistors first. No need to purchase something you may not need until you know need it. Load resistors such as #DI34ZR dissipate heat…

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Answer 3

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 4

When it comes to the proper placement of shocks like the Lippert Components Bolt-On Shock Mount Kit w/Heavy Duty Gas Shocks, #LC281255, you will want the top of the shock to point away from the center equalizer which would look more like this, \…

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Answer 5

For a winch like the Superwinch S6000 Winch #CU854754 you will simply want to use the Trailer and Vehicle Electric Winch Wiring Kit #BDW20207. Since winches can vary on how much they can pull this also affects how much power they need. For a winch…

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Answer 6

The dimensions on the Pollak 7-Circuit-Breaker Junction Box, part #PK52249, are as follows, With the mounting holes on the left and the right the length (right to left) from one edge of the mounting hole tab to edge of the other mounting hole tab is…

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Answer 7

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 8

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 9

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 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

Choosing the right height setting for your 5th wheel hitch is a combination of a few different variables. First of all you want your towing setup to be as level as possible. With your Montana High Country 340BH level you will want to measure from the…

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Answer 12

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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Using the 12 Volt 7-Way Circuit for Off Road Lights on a Trailer

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