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Old 07-28-2025, 08:53 PM   #3
fauXGT
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Join Date: May 2021
Location: Spokane, WA / WSS, MT
Posts: 268
Re: 04 Tahoe horn wiring

Well, I’ll be. That color was correct out of the column.
Black/yellow tracer. I just saw your message, and thanks for responding.
I thought by some of the schematics the wheel switch bridged somewhere to the BCM and relay. It converts from black/yellow at the column plug to black at the BCM plug.
Now reassembly tomorrow.
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