Troubleshooting Flashing Red Light On Power Circuit of the Tekonsha Trailer Wiring Circuit Tester

Question

Question:

WHAT DOES IT MEAN WHEN THE POWER INDICATOR AT THE TOP HAS ONLY THE RED LIGHT BLINKING AND THE TEST FUNCTION WONT WORK ? OUR TEST BOX JUST RECENTLY STARTED DOING THIS. THANKS

asked by: RYAN B

1

Helpful Expert Reply:

I spoke to my contact at Tekonsha about your issue and he responded by saying that If the #5 led in the top row (power) is blinking the tester is bad. If the #1 led in the top row (power) is blinking the battery in the unit is severely low on voltage and needs to be replaced with a 2023-X battery.

expert reply by: Jameson C

1

Answer 1

What you need for your Isuzu NPR truck is a powered converter #C59236. It is compatible with incandescent and LED trailer lights. I have included a link to the installation instructions for you. This harness does require a direct connection to the…

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Answer 2

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 3

Thank you for purchasing from etrailer! You did a great job selecting compatible parts. When using Leaf Springs #e64SR with the #AP233 Equalizer Kit and the #H248 Hanger Kit, there should be 29-1/2" between the front and center hangers and…

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Answer 4

The correct replacement master cylinder kit we have for your Demco setup is the part #DM5918 which comes with the lock out replacement.

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Answer 5

Assuming your Sprinter has the factory tow package with the 7-way at the rear bumper, in addition to the #RED24FR Redarc Tow-Pro Liberty Brake Controller, you'll also need the #3063-P wiring harness and the #331-TPH-017. The connector to install…

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Answer 6

The length of wire desired depends on your vehicle connection and your personal preference. You want enough slack for turning, but not so much for dragging as you mentioned. A little extra slack isn't a problem and not enough could lead to stress…

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Answer 7

If you are needing the hub and drum assembly then you will want to go with the Dexter Trailer Hub and Drum Assembly #8-201-5UC3-EZ but if you are just looking for an idler hub then you will want part #8-213-5UC1 instead. These come with the correct…

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Answer 8

Seal 171255UC has an inner diameter of 1.719 inches and outer diameter of 2.565 inches. A seal that has those dimensions would actually be #58846. I've added a link to a video review of this seal for you to take a look at.

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Answer 9

If your current springs have 5 leaves then going to a 7 leaf spring will increase the height of the trailer a little and make the trailer more susceptible to sway. Regarding capacity if you go with springs rated higher than what is required it will…

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Answer 10

I would be happy to help you set up your 2022 Toyota Highlander to haul your new travel trailer. The wiring harness you currently have controls your trailer's lighting functions only. You do not need to rewire your Toyota you just need another…

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Answer 11

I spoke to my contact at Horizon Global. He said it is acceptable to mount the Bulldog Powered-Drive Kit #BD1824200100 to the slave jack itself. He also said that if you need to switch the motor wires to make it work correctly, that would be fine, as…

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Answer 12

The old version of the #HBA-CAM used 4 wires, but the product was updated awhile back and now uses only two wires as shown in the photo on the product description page. The white wire from the HBA-CAM would tap into the white ground wire and the blue…

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Troubleshooting Flashing Red Light On Power Circuit of the Tekonsha Trailer Wiring Circuit Tester

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