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disable automatic headlights 2000 silverado

how do you disable automatic headlights 2000 silverado?

disable automatic headlights 2000 silverado

Postby monsterpuff [OP] » Mar 22 2010, 10:28pm

anybody???
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Re: disable automatic headlights 2000 silverado

Postby Austin » Mar 22 2010, 11:06pm

If you turn the headlight knob all the way to the left the Daytime Running Lights will turn off. You probably already knew that though and don't want to do that every time I'm guessing.

I am curious to know your reasons for wanting to disable an important safety feature :?

From my research I've determined that there is not an easy way to defeat these since there's no separate circuit for the DRL's. Defeat the DRL's and you'll have no low beam headlamps.
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Re: disable automatic headlights 2000 silverado

Postby PeterJ » Mar 22 2010, 11:06pm

Unfortunately disabling the DRL's isn't as simple as pulling the fuse however the DRL's should be able to be disabled by grounding the DRL defeat switch signal from the BCM. It is the light green wire coming into the headlamp switch on the 12 cavity connector pin F. Grounding that wire should stop your DRL's from coming on.
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Re: disable automatic headlights 2000 silverado

Postby SierraDave » Mar 22 2010, 11:09pm

On my 2002 Sierra I pulled the dash pod off, took the switch out, and removed the spring that causes the knob turn back to the ON position. With this spring removed the knob stays in the OFF position like Austin was mentioning turning the knob all the way to the left.
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Re: disable automatic headlights 2000 silverado

Postby 99chevyz71 » Jun 27 2010, 8:34am

depending on if you have the 99 style bcm or the 00-01 style you either push the dome override button 4 or 5 times to override them (00-01 style) or if its the 99 style there is no way to turn them off, i ended up changing my bcm to a 00-01 one just to be able to turn them off, otherwise you have to bypass the ambient light sensor on the dash to make them not come on unless you turn them on manually. let me know if you need the details on how to bypass the sensor if you want to if you have that bcm.
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Re: disable automatic headlights 2000 silverado

Postby adams99z71 » Dec 12 2010, 7:09pm

just added a resister the light sensor circut on my 99. works great. really simple mod. :mrgreen:
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Re: disable automatic headlights 2000 silverado

Postby 99chevyz71 » Dec 13 2010, 3:54am

glad to hear you figured it out
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