Installing a Tekonsha Brake Controller in a 2006 Dolphin LX motorhome.

Question

Question:

I have installed a Tekonsha Voyager in my 2005 H2 Hummer using your wiring adapter, and was told the same wiring adapter could be used on my2006 Dolphin LX motorhome with a W2400 Workhorse chassis. Both vehicles have the same rear plugs for trailer hook up, with the blue wire on the lower right pin that says brake, so I assume the Dolphin was prewired for a brake controller just like the H2. Where should I be looking for the brake controller wiring in the Dolphin? Should I look for a matching connector like I found in the Hummer, or for 4 or 5 wires tucked or taped under the Dolphin dash? I would appreciate any help you can give me on finding the plug or wires in my motorhome.

asked by: Frank P

1

Helpful Expert Reply:

There isn't a brake controller wiring harness for the 2006 Workhorse RV chassis. It is possible that the RV came with one. Sometimes they plug in under the driver's seat but would otherwise be located under the dash. It is also possible that it does not have a place to plug a brake controller into and could just have tow package wires under the dash. To check this look for a bundle of wires up under dash with a white tag on them.

If you cannot locate a wire bundle or place that a brake controller plugs into you will have to hardwire in the brake controller. The white wire is ground, black is 12 volt power, blue is output to the trailer brakes and red is input from the brake switch.

The white wire needs to attach to the negative battery terminal. Black goes to the positive battery terminal via a 30 amp circuit breaker. Blue connects to the back of the 7-Way in the 7 o'clock position. And red is input from the brake switch.

We have a kit # 5506 that comes with wire and circuit breakers. But you will like need more wire, # 12-1-1 which is sold by the foot, since RVs tend to be long.

expert reply by: Jameson C

1

Answer 1

When it comes to installing a brake controller on your 2002 Workhorse P Series you first need to make sure you have a 7 round electrical harness on the back of your Workhorse. The Universal Installation Kit for Trailer Brake Controller - 7-Way RV…

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Answer 2

There isn't a brake controller port that I am aware of on your motorhome built on a 2004 Workhorse W22 chassis, but you can check up under the dash for a bundle of wires; they would have a white tag on them. It would generally be to the far left…

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Answer 3

There isn't a brake controller wiring harness for the 2002 Chevy Workhorse RV chassis. It is possible that the RV came with one. Sometimes they plug in under the driver's seat but would otherwise be located under the dash. It is also possible…

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Answer 4

I believe that there is wiring located up under the dash and to the left of the steering column on the 2008 Workhorse W22 chassis that is for a brake controller. Look for a bundle of wires held together with a white tag. The tag shows the functions…

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Answer 5

Absolutely! If you would rather not connect the trailer to your tow vehicle, you can simply use a separate car/truck 12V battery to test the electric brakes on your trailer. You can apply power to the appropriate brake input pin on the trailer…

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Answer 6

You will want to use the 30-amp breaker when you install your #ETBC7 Brake controller kit. This will pass enough current for the Prodigy controller #90195 to power up to 6 brake assemblies on three axles. The 40-amp breaker should be installed on the…

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Answer 7

If you already have a fully functioning 7-Way on your 1989 Toyota Pickup then you just need to make sure that a 20A Auto-Reset Circuit Breaker like part #PK54520 is installed between the black wire of the pigtail that comes with the Prodigy P3 #90195…

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Answer 8

I think you are going in the right direction. I would definitely replace the 14 gauge wire going to the trailer brake magnets with 10 gauge wire or larger. Usually larger than 10 gauge is hard to get into the trailer connector though. I would also…

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Answer 9

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 10

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 11

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 12

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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