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Re: High Beam Wire Color? Distinction between three?
With a test light ground connected to the positive battery terminal,,the one that will light up the light is the ground...the other 2 wires are the low and high beam. cut one of those,if the low beam is now on,you cut the high beam wire. if the high beam stays on,you cut the low beam wire.
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Here is a little detective work for you!
First, identify the color of the ground wires, and that should be the same color for nearly all of the electrical things under the hood, but pay particular attention to things like lights.
There will be one wire of that color to every light.
Next you will likely have two wires, one for high beam, one for low beam, and those can be matched. Highs one color, lows another.
None of these wires should be hot with the headlights switched off, except that, during the 2001 automobile era, some cars and trucks had driving lights that were on whenever the car was moving!
God bless your efforts.
You need a wiring chart to find the color code . however there are three wires , earth, low beam , high beam, to find same turn lights to high beam, with a vault meter neg. probe to earth probe each wire the live wire is high beam , dip lights and probe again live wire is low beam , other wire is earth wire.
Need your make and model. Usually low/high beam lights have 3 inputs. While high beam only lights have only two. Every make/model has different color schemes so that's why it's important to have full make/model. Someone with experience could easily do it with a multi-meter. It's all 12 volts. One ground, two hot wires one for low one for high.
What he said but in more common terms. The ground connection to the headlight is bad. Three wires run to the bulb. One is ground, one is for the high beam, other is for the low beam. The ground wire sometimes is a short wire run to a connector screwed into the body creating the ground connection. Commonly on GM cars the black is the ground, the tan is the low beam and lt green is the high beam. You can correct this by running a wire from the black wire in the heaclight connector to the battery negative terminal or chassis ground. Hope that helps
should be three wires one ground one power for low beam one power for high beams
take a test light (if dont own one buy one there real cheap and useful) clamp test light to good ground turn on lights on low beam probe wires in connector until test light lights this will be low beam power
no switch to high beams should have power on other wire
Power for the headlights on the Left side (High and low beam.) comes from the same fuse... The ORANGE wire and the ORANGE/BLACK are the same, they connect in the harness. If you only lack the 12v to make the light work connect them at the headlight assembly.
If your low beam also lacks ground the Left low beam ground is shared with the right low beam ground... Run a wire from left low beam DARK BLUE to right low beam DARK BLUE/WHITE.
If its not working now then your cursed, seek a witch doctor.
Check the fuse. There are seperate fuses for right and left. You dont mention if the high beam works for that side? If it does, the fuse is good. The GREEN wire at the bulb is the ground for the low beam. If that wire has power, then the ground is bad. If the high beam works, the hi'lo beam switch is good, and there is a problem between that headlight and the Engine Compartment Junction Block