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Old 05-07-2010, 10:15 AM   #1
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Default Flashing lights when locking / unlocking car

My wife has a 2004 Impala and when she locks or unlocks her doors from the key fob, the running lights flash. I would like to do this with my Bonneville. Has anyone here done this and already know the procedure?
I was thinking that I could grab power from the interior light circuit and feed it back via a relay to the running lights circuit, the only problem with this idea is how to keep the running lights from coming on when the doors are open.

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Old 05-07-2010, 10:23 AM   #2
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That would be neat trick. I don't know of anyone that has done this, but I would really like to see a write up on how you do it. That would go in tech info for sure.
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Old 05-08-2010, 12:21 AM   #3
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I spoke to a friend about this today and he said to build a delay circuit, a simple 555 timer should do the trick. Hook this into the door lock / unlock circuit. When the key fob is pressed, the door lock gets power and powers the 555 circuit, this powers a relay that powers the running lights. The 555 circuit will keep the running lights on long enough to see them.

As soon as I get a bit of free time, I am going to try this out.
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Old 05-08-2010, 09:09 AM   #4
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I was thinking around those lines. Grabbing power from the lock circuit is the only way
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