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Hello everyone, I did wire back up alarm on 2008 sierra , hook up from tail lights. Then when you unlock/ lock the door tail lights on , alarm start beeping. Wondering if any other ways wiring the alarm. Thank you.
 

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Solid axle '01 Tahoe/'03 Sierra/'18 Silverado
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There should be a box towards the back of the frame. It has all the taillight connectors going into and then out of it. There's usually a reverse alarm wire to tap in to for when they're cab&chassis trucks
 

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Discussion Starter #4
There should be a box towards the back of the frame. It has all the taillight connectors going into and then out of it. There's usually a reverse alarm wire to tap in to for when they're cab&chassis trucks
Thanks, I’m gonna check it tomorrow
 
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