Dual Dovetail

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Do i have factory trailer brakes on a 2004 Chevrolet Tahoe z71?

I have a 7 wire female plug on the bumper, but no dash lights or indicators when the trailer is hooked up. It is a 22ft all steel dovetail car hauler with dual axle brakes.

No, GM didn't start putting in factory trailer brakes until the most recent silverado redesign and even then it is still an option separate from the tow package. The 7 wire plug will allow you to keep the same plug with whatever electric brake actuator you choose to install, but if you follow that wire, you will typically find it dead ends part way up the chassis and is tied off, waiting for your brake controller install. Just make sure to stay within the tongue weight and trailer weight limits, probably with a load distributing hitch and sway control due to tahoe's short wheel base.

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