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Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

2009 H3 3.7 three horn honks as key turns NO code

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Old Oct 2, 2025 | 09:08 PM
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gaber6's Avatar
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I stopped by a stereo install shop and they removed a few wires related to the aftermarket alarm and the beeps stopped and I gave them a $20.
Being that I am colorblind, I hate messing with wiring.
 
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