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2021Trailblazer RS AWD Scarlet Red Metallic
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1,114 Posts
As far as I know nobody makes a bypass harness for the Trailblazer. Somebody would need to volunteer their vehicle for testing purposes before any manufacturer will release one for us.
 
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As far as I know nobody makes a bypass harness for the Trailblazer. Somebody would need to volunteer their vehicle for testing purposes before any manufacturer will release one for us.
If this were an issue for me I'd try the GM harness that AutostopEliminator sells. I'm afraid it will void my warranty and I have very low miles on mine. Remember no one supports replacing our halogens either, and some of us have successfully upgraded to LED's based on a few brave souls here. :)
 

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2021 LT AWD
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70 Posts
If this were an issue for me I'd try the GM harness that AutostopEliminator sells. I'm afraid it will void my warranty and I have very low miles on mine. Remember no one supports replacing our halogens either, and some of us have successfully upgraded to LED's based on a few brave souls here. :)
No harness yet for the TB. Still waiting on a volunteer in West Virginia.
 
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