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Discussion Starter · #1 ·
Hi and thanks.

I realized my little trailer brake lights and blinkers where not working, but the regular running lights do work.

I checked the voltage at the OEM plug. As expected, the running lights gave 12VDC. The Brake lights only giving .38VDC.
I don't think this is a ground issue as the brake lights are fine.

Any thought as to what would cause the brake/blinker to only be .38VDC?

Thanks!
 

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Banned from wife’s 2005 Pilot LX
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Was someone pressing the brake pedal when you measured brake signal voltage?
Were the blinkers turned on when you measured the blinker signal?
And welcome to the forum.
 

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Discussion Starter · #3 ·
I had a stick pushing the brake pad down and sitting there looking at the brake light on the pilot lit up when I was measuring the plug voltage.
With the blinker, being on and off and I'm only measuring .38v, it wasn't as easy to measure with my harbor freight multimeter. :D
 

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I’m guessing you already checked the fuses for that circuit.

You might also check if there are relays for the right and left side. It’s doubtful both failed at the same time but you never know.

Also check the wiring from the trailer harness connector to where the wires are tapped into the Pilot’s wiring harness.
 
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