Hi I got a 06 vnl 670 and s 2016 benson drop deck. All lights and signals work on the truck but not the trailer.
Left turn signal works.
Right turn signal doesnt work at all.
ALL Flashers work including right side when the head lights are off only.
When running light or head lights are on only the left turning markers work.
Checked fuses, cleaned the pig tail on both ends.. any ideas?
Trailer lights acting very weird any help?
Discussion in 'Volvo Forum' started by RustyNailStepDeck, Mar 28, 2020.
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Try a different pig tail if you have access to one.
That will eliminate the most simple problem of a broken/frayed ground inside the wiring.
Could be bad prongs, too.
Start there.
If that doesn't work, it's likely a ground issue somewhere on the trailer.
Almost always is.
If the tractor is correct, then it's the conduit (pig tail) or the receptor. -
Thanks buddy, yeah that was my next step. I'll do that tomorrow morning.
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Bad ground does funky things.
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I usually open up the trailer prongs a bit with a knife or screwdriver and that fixes the issue.
jammer910Z Thanks this. -
jammer910Z Thanks this.
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