Where do you connect the Brake Controller under the dash for 2004 Cadillac Escalade?

To connect the brake controller under the dash of a 2004 Cadillac Escalade, locate the wiring harness for the trailer brake controller, which is typically found near the brake pedal. You will connect the brake controller's power, ground, and brake signal wires to the corresponding wires in the harness. Ensure that you consult the vehicle's service manual for specific wire colors and functions to ensure proper connections. After installation, test the controller to ensure it's functioning correctly.