Curt Trailer Wiring Harness part # 56146KIT Recommendation to Convert Separate Signal to Combined

Question

Question:

OUR BOYSCOUT TROOP RECIEVE AN EX-AMBULANCE TO HAUL OUR EQUIPMENT IN. I HAVE PUT A HITCH ON IT. THE PROBLEM IS THE THE TURN SIGNALS ARE SEPARATE FROM THE BREAKLIGHTS. THE TRAILER IS WIRED NORMAL. IS THERE A WAY TO MAKE THEM WORK WITHOUT ADDING MORE LIGHTS TO THE TRAILER?

asked by: MARK

1

Helpful Expert Reply:

Yes there is, you would need to install the Curt Trailer Wiring harness part # C59496 on your ambulance and it will convert the separate trailer wiring to a combined signal that would work well on your trailer.

I attached installation instructions and an install video that shows a typical installation to show you how to test the circuits and install this harness.

expert reply by: Jameson C

1

Answer 1

First of all did this problem just start happening? If the trailer has always worked fine before on the same truck then it's likely a short on the trailer's brake wiring. I would start by cleaning the connector and make sure…

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Answer 2

The #38656 Junction Box won't take the place of a trailer mounted battery, but it provides a protected and organized method of connecting the wires from the trailer connector pigtail to all the various lighting, power and brake circuits on…

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Answer 3

The Spectro Junction Box part #38656 can have a 12 volt accessory circuit added to it so that you could put a maintenance charge on your trailer battery but it does not have a specific pin to use for this circuit. You would just need to pick an…

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Answer 4

Yes, the battery maintainer you have requires a 12 volt power source coming straight from the battery and the center pin of your 6-way is exactly that so it would work very well for you.

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Answer 5

You can route the grounds from your brakes to your junction box like part #38656 but most people just ground the brakes to the trailer frame. The frame is a ground which is why this can be done, just make sure that it is a secure connection to a…

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Answer 6

You can deliver a maintenance charge to a trailer-mounted battery using the +12V power circuit included in your 7-way wiring setup. The simpler method is to access the 12V auxiliary power circuit on the trailer's 7-way wiring using a junction box…

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Answer 7

If you are experiencing power at the 1 o'clock position on your 7-way, the issue most likely lies with the trailer's wiring. With this situation, it is important that the trailer wiring is correctly inserted into trailer's side 7-way plug…

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Answer 8

The pin-out for a 7-way trailer connector is pretty consistent. Unless the connector was wired incorrectly, it should be wired as shown in the provided photo showing the correct pin-out. What CAN vary is the wire color codes, which are also shown in…

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Answer 9

In order to check the right hand brake/turn signal circuits on your trailer you will first want to obtain a twelve volt battery and then hook a hot lead up to the pin on the trailer connector which is responsible for the right hand brake/turn signals…

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Answer 10

The Trailer Wiring Junction Box part #3375601100 and Trailer Wiring Junction Box part #38656 are both pretty standard 7-terminal junction boxes. The latter is slightly smaller so there will be more places to mount it so that is what I recommend but…

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Answer 11

A standard Bargman 7-Way cable like the 11' part #HM20048 will have a similar quality as the Hopkins equivalent. If you're wanting something a bit more durable then I recommend the Bargman 7-Way, RV-Style Connector w/ 6' Heavy Duty…

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Answer 12

I would first recommend checking to see if the breakaway pin is still intact. If the pin has not been pulled, you will want to begin by checking the trailer connectors for dirt or corrosion on both the inside and outside. Once the breakaway pin and…

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