Troubleshooting No Turn Signals with a Curt Trailer Wiring on a 2011 Chrysler Town and Country

Question

Question:

Brake lights work, running lights work, emergency flashers work but no turn signals?? Any ideas how to fix. Just installed the 56128-T kit.

asked by: Mike A

0

Expert Reply:

The first thing you will need to do is make sure all of the connections are being firmly made from the Curt T-Connector Vehicle Wiring Harness # C56331 to your 2011 Chrysler Town and Country. If every connector is making a good connection, you will next need start testing the different functions and circuits to track down the root of the problem.

A good place to start is with the black box from the # C56331. I will want to use a circuit tester like a # PTW2993 to test the circuits going into the box and out of the box (I attached a review video on the circuit tester to show you how it works). On the input side of the box, you will want to test the circuits for blinking voltage to see if the blinker circuits are making it into the box. If so, you will need to test the output side for blinking voltage as well.

If you find that the blinker signal is making it into the box but not on the output side of the box, then you know that the box is at fault. If there is no blinking voltage going into the box, then you know the problem is further up on the circuit on the vehicle side. If there is voltage going into the box and coming out, then you know the problem is further down the circuit and you should continue to test for voltage on the trailer side until you find the problem.

I attached installation instructions for this product and an FAQ on trailer wiring for you to check out also.

expert reply by: Jameson C

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Answer 1

First thing you should do at this point is test the 4-way of the wiring harness with a circuit tester part #PTW2992 for voltage on all of the right pins when the taillight signals are being applied. Just like in the video I attached. If the voltage…

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Answer 2

The converter you have is bad. If the signal going into the converter is good, but coming out of it is bad then the problem is a shorted out converter and it would need to be replaced. Before you replace it you will want to inspect the wiring of your…

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Answer 3

There's a slight possibility that the ground could be causing the problem, but it's morel likely that the T-Connection of the #C56331 on the driver's side isn't fully connected. You'll need to make sure that connection is fully…

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Answer 4

Sometimes the issue you are having is simply just the connectors not fitting tight enough for the connection to be made. Unplugging and reconnecting the setup sometimes fixes this. After you try that use a circuit tester to test the brown wire coming…

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Answer 5

The problem you are having is a classic ground issue. If the ground wire to the trailer frame or the tail light grounds are not connected securely to clean, rust and paint free surfaces then when the headlights are turned the extra amperage draw for…

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Answer 6

The most likely cause for the turn signals not to work when the running lights are on with your trailer is a bad or weak ground. It's very possible that a weak ground connection can be just strong enough to allow sufficient current for some…

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Answer 7

If your trailer lights are working correctly with another vehicle then the wiring kit you got might need to be replaced. Reason being if the vehicle lights on your 2013 Dodge Grand Caravan are working just fine then that means the tee connectors on…

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Answer 8

The issue you described is likely attributed to the t-one connectors installed on the wrong side of the vehicle. The connector with the green and white wire goes on the passenger side and the connector with the brown and yellow wire goes on the…

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Answer 9

It sounds like there could be a ground issue and also a short somewhere along the trailer that is causing the lights to turn on when the ignition is off. A bad or weak ground can lead to a variety of strange issues. I first recommend checking that…

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Answer 10

The first thing I would recommend is checking the owner's manual of your 2014 Honda Ridgeline Sport to see what it says about using a weight distribution hitch. In general, a WDH is recommended if your trailer weight is more than 50% of your…

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Answer 11

This sounds like either a ground problem or a loose or broken wire causing your problem. First, you will need to check for a proper ground at the connector and at each light. The taillights are grounded through the mounting bolts. I have included a…

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Answer 12

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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Troubleshooting No Turn Signals with a Curt Trailer Wiring on a 2011 Chrysler Town and Country

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