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Chevy wiring harness

Se7en

Well-Known Member
Jun 27, 2010
4,573
223
73
Ca
my buddy has a wiring harness for his chevy that when you turn on the high beams the lows also stay on. trying to find it.... and cant... is there a special company or name for it?
 

If you know how to read the pin out on a Potter and Brumfield or Bosch 12V relay you can do this yourself in not time. You could also just buy a Toyota....LOL My Toyota Camry is wired that way from the factory when I turn my brights on my low's stay on. This way your field of view is not compromised.......Dimms allow you to see a wider field of view but they compromise the distance you can see...Bright allow you to see further ahead but you lose your side to side coverage running both on high allows you to see far and wide.

I do not know how your wiring is now since not all companies use off the shelf 12V relays.....You need to run a siganl lead from your high beam switch or relay to your low beam relay this way you can run your lows by themselfs but when you switch to high's you get the switch signal sent to both the high beam relay and the low beam relay. You may or may not need to add a relay depends on what is left that is not being used currently by them. You do not even need to a new harness just another signal from the high switch to the other relay.
 

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