"when I turn on my left turn signal all my lights flash (front and rear turn signals) running lights"
"All lights"= Right and left and front and rear?
Are running lights separate lights ?
If all lights, all around, flash when turning left you either wired it wrong, bad ground or it's a Close Encounter of the Third Kind.
Try playing these notes on your synthesizer keyboard and see if the lights flash.
A
go up to B
go down to G
go a full octave down to the next G
go up to D
Just a thought. Probably won't work.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
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