This is how to repair a high beam light switch on a ford f150.
Make truck high beams work on floor site youtube com.
Circuit 12 is the 18 gauge tan wire that connects the dimmer switch to both low beams.
In this video i install a fleece performance gm all light on module for 03 07 trucks which allows high low and fog lights come on with the high beams.
I added a high beam headlight relay from lmc witch allows me to have both low and high beams on at the same time.
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High beam yes spot lights yes fog lights yes and parkers yes.
2002 2009 gmc evoy and chevy trailblazers have a common problem with the headlamp relay causing low beam headlight failure.
On some vehicles particularly those with hid headlights or solid state circuit protection zener diodes or high beam circuit breakers installing the wrong bulb might result in intermittent headlight operation or no high beams at all.
The most common and well probably the only one is usually the low beam headlights don t work.
In my personal experience when the low high beam headlight dimmer switch has failed you ll only be able to roll around using the high beams only.
Couldnt see very far at all.
This video is just a quick tip fo.
Make sure to use the right high beam bulb for your vehicle.
In this video i show you how to rewire your factory headlights so your low beams stay on when you turn on your high beams.
What is wrong with low beam.
It then runs through a short.
Tonight when i knocked off work i jumped into my xh ute.
As mentioned circuit 2 is the 12 gauge red wire running from the 3 8 stud on the starter solenoid up to the firewall junction block.
Symptoms of a bad low high beam headlight dimmer switch.
Circuit 11 is the 16 gauge light green wire that connects the dimmer switch to both high beams.