Will A 7-Way Carry Enough Power To Operate a 21 Amp Draw Electric Winch On a Boat Trailer?

Question

Question:

I want to install an 12v winch on my boat trailer, can I attach a 7 pin pig tail to the motor wires and plug it in to my tow vehicle to power it? Only using the 12v aux power and ground wires on the pig tail. Motor has max draw of 21amps.

asked by: Daniel E

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Expert Reply:

With your winch having a high amp draw and constant use I recommend installing a dedicated Quick Connect Harness # DL24151. This is an 8 gauge wire which will be safe to use with your 21 amp draw and will not risk damage to your factory 7-way which uses a much smaller 10 or 12 gauge wire which wasn't designed for constant high draw. We do have the Quick Connect # DL24085 which you can attach to your boat trailer winch so you can easily connect and remove the power when needed.

expert reply by: Bud M

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Answer 1

Wiring connections for the Electric Over Hydraulic Brake Actuator are as follows. Yellow - Cold side of breakaway switch, The wire that goes hot when a breakaway occurs. Black - Positive connection on breakaway switch, The wire that charges the…

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Answer 2

If you wanted to prevent the trailer back feeding to the vehicle battery a diode like the part #RM-690 would be what you need. If instead you install the part #20011 you would not need to install a diode to prevent the battery from back feeding.

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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

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 5

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…

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Answer 6

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…

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Answer 7

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 8

Hi Tom, I have two options to replace the electric tongue jack on your Jayco Whitehawk: Option 1: Electric Jack w/ Footplate #EJ-3520-BBX. This jack is going to be your no-frills 'get the job done' style jack. It has a 3,500lb…

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Will A 7-Way Carry Enough Power To Operate a 21 Amp Draw Electric Winch On a Boat Trailer?

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