What Trailer Wiring Harness Should be Used for a 2004 BMW X3
Published 07/14/2008 >
Question:
I cannot find a converter for a 2004 BMW X3 with separate turn and brake lights. I also want to draw from my battery for additional power for the lights.
asked by: Alan
0
Expert Reply:
We offer the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit # 119250KIT for your 2004 BMW. The harness features a powered taillight converter that draws the 12 volts to power your lights directly from the vehicle battery, instead of through the lighting circuits. This harness connects to your existing wires without splicing into to the wires. Check out the attached videos to learn more.
expert reply by:
Sarah
0
Featured Help Information
Miscellaneous Media
Continue Researching
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Q&A: What Charger Can I Use To Charge an AGM Onboard Battery
- Article: Trailer Wiring Diagrams
- Q&A: Recommended Towing Package For A 2022 Audi Q7
- Q&A: Trailer Hitch and Wiring for 2027 Kia Telluride
- Q&A: Replacement Hub and Drum Assembly With 5 on 5 Bolt Pattern for 3,500 lb Rockwell American Axle
- Q&A: Trailer Hitch Receiver Option For 2016 Isuzu NPR
- Q&A: Recommended Hitch for a 2025 Mercedes AMG GLE 53
- Q&A: Recommended 4-Way and 4 to 7-Way Adapter for a 2016 BMW X5
- Article: Brake Controller Installation: Starting from Scratch
- Article: 5 Things to Know About Weight Distribution Hitches
- Article: Flat Towing Package for 2007-2018 JK Jeep Wrangler and Wrangler Unlimited
- Article: Brake Controller Installation on a Ford Full-Size Van
- Article: Determining Trailer Tongue Weight


