Stock alarm want to disable headlight flash - Audio & Electronics Forum

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Stock alarm want to disable headlight flash
Sunday, May 08, 2005 9:49 PM
Is there any way that I can disable my headlights from flashing when I use the keyless entry?? I'm putting in hids and thats bad for the ballasts. When I unlock they flash two times lock one time. How can I disable this??


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04 Cavy LS Sport


Re: Stock alarm want to disable headlight flash
Sunday, May 08, 2005 10:12 PM
Go to GM and have them reprogram your BCM to NOT flash with the alarm. I'm pretty sure it's one of the keyless options... (you can sub the horn in to honk on the first press of the lock button, instead of the second)






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Re: Stock alarm want to disable headlight flash
Sunday, May 15, 2005 9:24 PM
Is that the only option that I have.


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04 Cavy LS Sport

Re: Stock alarm want to disable headlight flash
Sunday, May 15, 2005 10:40 PM
Remove the headlights altogether?

Get an aftermarket alarm, because the stock one sucks?

You've got lots of options...




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Re: Stock alarm want to disable headlight flash
Monday, May 16, 2005 10:09 PM
wire up a relay off of the lock wire to interreupt the headlight wire (dark blue wire @ BCM, blue plug, pin B6). youll need to do the same for the unlock wire. i reccomend using a dei 528t pulse timer.

wire it up as follows:
cut the dark blue headlight wire and attach it to terminals 30 and 87.
orange(87a)-not used
brown(87)-car side of headlight wire
yellow(30)-bcm side of headlight wire
red & black constant 12v+ and ground, respectively
black w/ white-from terminal 87 of relay as described below

take a wire from the locks ( lt. blue, (+) @ BCM, purple plug, pin A4) and the wire from the unlock (white, (+) @ BCM, purple plug, pin A3)
then diode isolate these two wires and hook them to terminal 86 of a relay. hook terminal 85 and 30 to ground, and hook terminal 87 to the blak w/ white wire on the 528t.

hope this helps


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