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Trailer wiring

Discussion in 'General Tundra Discussion' started by Model A gischia, Mar 26, 2021.

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Mar 26, 2021 at 5:05 PM

#1

#1
Model A gischia [OP] New Member

Joined:

Mar 26, 2021

Member:

#60998

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I changed the 7 pin connector on my trailer and Tundra. Brake and signals work (LED) no tail or running lights. the 30A tow fuse is good and I had the Tow relay checked and that also is good.
Plugged it into a buddy's truck and everything works.
Ideas/suggestions?

Model A gischia, Mar 26, 2021

#1

Mar 26, 2021 at 5:19 PM

#2

#2
landphil Fish are food, not friends!

Joined:

Oct 9, 2016

Member:

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4,342

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First Name:

Phil

BC, Canada

Vehicle:

‘08 TRD doublecab

What year is your Tundra?

I suspect you have no power on “pin 3” of your truck connector, but using a test light to check that pin and all others for power with only the park / tail lights turned on would be my first step.

landphil, Mar 26, 2021

#2

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