What color is the brake switch wire on a 2006 Jeep Liberty CRD without factory towing harness?

There isn't a single, universally standardized color code for brake switch wires across all vehicle makes and models, even within the same year and model. The color can vary depending on the specific wiring harness used in the vehicle's manufacture.

To find the brake switch wire color on your 2006 Jeep Liberty CRD without a factory towing harness, you'll need to:

1. Consult a wiring diagram: A wiring diagram specific to your Jeep Liberty CRD (2006, diesel) is crucial. You can find these online through repair manuals (like those from Haynes or Chilton), or possibly through online forums dedicated to Jeep Libertys. Look for a diagram showing the brake light circuit.

2. Use a multimeter: With the ignition OFF, carefully probe the wires at the brake switch connector using a multimeter in the continuity test mode. Press the brake pedal. The wire that shows continuity when the brake pedal is pressed is your brake light switch wire.

Caution: Working with car wiring requires caution. Always disconnect the negative battery terminal before starting any electrical work to prevent accidental shorts or damage. If you're not comfortable working with car electrical systems, it's best to seek professional help.