Best Kit for Converting Trailer with Vacuum Over Hydraulic Brakes to Electric Over Hydraulic Drum

Question

Question:

What do I need I have 3 trailers wanting to convert from vacuum over hyd to electric over hydraulic one is 88 model 2 axle one 95 3 axels Then a tandem axle flat bed Thanks

asked by: Trevor G

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Expert Reply:

For converting a trailer from vacuum over hydraulic to electric over hydraulic drum brakes you'll need a kit that comes with all of the wiring, the correct trailer wiring connector, a breakaway setup, and an actuator. Which for that we have the HydraStar kit part # HS381-9066 which comes with all of that and the best and most reliable actuator. It is also the quickest reacting solution as well.

expert reply by: Jameson C

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Answer 1

To tow your 20ft Wilson livestock trailer with your 2001 Ford F-350, you will want to change the brakes on the trailer from air-over-hydraulic (vacuum) brakes to electric-over-hydraulic brakes. To do this, I recommend using our HydraStar EOH Kit,…

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Answer 2

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 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

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

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

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 7

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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Answer 8

It could be a tow package fuse on the vehicle. Use the owners manual to find the locations of fuses/relays related to the tow package wiring to check them and replace as needed. If the issue is not a fuse or relay then you can test the vehicle side…

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Answer 9

If your trailer has 7 wires running all the way back to the brakes, then yes, you can tap into the existing wiring. Each of your new brakes will have two wires for the brake magnet. One wire is for 12 volt power to the brake magnets and the other…

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Answer 10

The reverse light pin on a traditional 7-way trailer connector, like part #PK11893 or a factory connector if that's what you have on your 2018 Ram, is the center pin. Take a look at the picture I attached that shows all the pin functions. To add…

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Answer 11

You have it right so far, the 4-way connector is just as you have stated. Remember that Yellow has a L in it so that is the left side brake/turn signal and green has a R in it so that is the right side brake/turn signal. The colors for wiring a 7-way…

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