Troubleshooting Trailer Lights That Dont Work with 2017 Toyota Tacoma but do with Chevy Silverado

Question

Question:

My neighbor has a utility trailer that works fine with his Chevy Silverado 1500 but when I hook it up to my 2017 Tacoma none of the lights work. Suggestions?

asked by: Bill

1

Helpful Expert Reply:

Since the trailer is working just fine with another pickup you will want to check any fuses or relays that carry the trailer lighting functions. I tried looking this up in the online version of the owner's manual for your 2017 Toyota Tacoma but there isn't a list for what the various fuse locations are for. These may be listed on the cover for the fuse compartment.

If the fuses and relays look good then you need to use a tester like part # PTW2992 to check the pins on your 4-Way like part # C56349 or 7-Way like part # 22117.

If you are getting the correct lighting signals then the only other thing to do would be to take your pickup and the trailer in to a shop so they can physically inspect what is going on.

expert reply by: Jon G

1

Answer 1

Without knowing what brake controller you have I will venture to guess that the OL code you are seeing is an over load code. The OL or overload error code indicates a short in the brake output circuit. Start by examining the trailer connector. Make…

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Answer 2

An OL error code would indicate an overload error. The cause of this is most likely a bad ground or a short to the blue brake out put wire. The first thing I would check is the connector on the back of your vehicle. Any dirt or corrosion can be…

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Answer 3

The 4-way on your trailer is what's known as a wishbone connector like part #A35W42B. Two of the wires are the running light circuit which is a little easier to install since you can run one down each side of the trailer. This way you don't…

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Answer 4

Hey Casey, thanks for reaching out! I recommend going with the Curt Spectrum Brake Controller w/Universal Harness #C72RV for how versatile it is when it comes to mounting the control knob, and that it uses colors to tell you what's going on as…

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Answer 5

The only pin that should be continuously showing 12V power on the 7-Way connector on your vehicle is the 12V power circuit which is normally the black wire but not always. In 7-way wiring the 12V auxiliary power feed is carried on the contact at the…

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Answer 6

The Roadmaster Direct-Connect Base Plate Kit will use the Roadmaster EZ Base Plate Receiver Covers part #RM-210.

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Answer 7

Roadmaster has their replacement base plate kit covers with the part #RM-210.

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Answer 8

Actually, the P3 now has the upgraded axis accelerometer like the P2. The Tekonsha P3 Trailer Brake Controller #90195, will work with both electric over hydraulic brakes on the trailer as well as electric brakes. It has a menu option on the display…

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Answer 9

Hey Bonnie! There's no reason you couldn't install and use the Roadmaster Battery Charge Line Kit #RM-156-25 on your '22 Jeep Wrangler JL. It's not going to have any effect on the Jeep's electrical system. Now with that being…

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Answer 10

On the Tekonsha Prodigy P3 Brake Controller #90195 (great choice) the black wire is for 12V power, the blue wire is for brake output to the 7-Way connector, the red wire is for brake switch on the vehicle, and the white wire is for ground. Based on…

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Troubleshooting Trailer Lights That Dont Work with 2017 Toyota Tacoma but do with Chevy Silverado

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