Help Identify This

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Ezombie

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I recently purchased a 1999 2 door Tahoe and I am trying to identify an electronic black box hanging under the dash. I'm certain it is not suppose to hang down but before I stuff it up just anywhere, I would like to know what it is. Please see pictures attached. It is a GM part as it says "GM Accessories" on it. Thanks in advance.

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Nad_Yvalhosert

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Trying to think of "new" features GM introduced at that time, as to what that module may be.

Onstar was first debuted on my '00 Denali, but your 'Hoe is a '99.
GM wasn't doing remote starters then, so that's not it. Could it be part of a RKE system? Or maybe a stereo amplifier unit. Could be the reason for a power relay...
 

SUBURBAN5

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I recently purchased a 1999 2 door Tahoe and I am trying to identify an electronic black box hanging under the dash. I'm certain it is not suppose to hang down but before I stuff it up just anywhere, I would like to know what it is. Please see pictures attached. It is a GM part as it says "GM Accessories" on it. Thanks in advance.

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It's an alarm system from gm
 
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