This Erich Jaeger Direct Fit Wiring Harness hooks your Mazda 3 or CX-30 straight into trailer lights without cutting factory looms. The kit is matched to Mazda 3 built from 02/2019-on and Mazda CX-30 from 07/2019-on so all plug shapes and pin counts line up. The harness suits typical 7-pin style trailer setups so you can tow standard camper trailers or box trailers around town or on longer runs. The wiring uses automotive-grade copper cable with protective sheathing sized for normal 12 V tow setups. Each plug body is moulded plastic with locking tabs so they stay put behind trims once clipped in. The harness length is laid out to reach factory connection points at the rear of the car so you avoid stretched cables. It is smart buy gear for anyone wanting towbar wiring that looks factory and handles regular Australian driving and towing conditions.

• Direct fit wiring harness for Mazda 3 (02/2019-on)
• Direct fit wiring harness for Mazda CX-30 (07/2019-on)
• Vehicle-specific connectors match factory Mazda plugs
• Intended for standard trailer lighting circuits
• Helps avoid cutting or splicing factory wiring
• Loom route suits rear towbar mounting area
• Uses insulated automotive-grade wiring throughout
• Harness designed for 12 V electrical systems
• Suitable for typical 7-pin trailer style setups
• Supports clean, factory-style towbar wiring finish

Q: Does this wiring harness require cutting the factory Mazda wires?

No, this harness is a direct-fit style. The connectors are shaped to plug into existing Mazda sockets at the rear of the vehicle. That keeps the original loom intact and reduces the chance of wiring faults later. It also makes removal straightforward if the towbar is ever taken off.

Q: What type of trailers can I use with this harness?

This harness is intended for trailers that use standard light circuits. That typically covers small box trailers, camper trailers and similar loads with normal tail, brake and indicator lights. Matching the trailer plug style on the towbar to your trailer is still important. Always confirm your trailer light wiring matches the vehicle socket diagram.

Q: Is this harness suitable for both Mazda 3 hatch and sedan versions?

The harness is listed broadly for Mazda 3 from 02/2019-onwards. Both hatch and sedan models in that generation share common rear light platforms in many cases. Installation points are usually in the rear quarter area. Always double-check your build date and variant against the harness label before installation.

Q: Can this harness be removed if I sell the car later?

Yes, a direct-fit harness can be unplugged and removed. Each connector can be released and the loom can be pulled back out along its installed route. That allows the car to return close to stock condition. You can then either store the harness or fit it to another suitable vehicle with the same specification.

Vehicle compatibility: Mazda 3 built from 02/2019-onwards. Vehicle compatibility: Mazda CX-30 built from 07/2019-onwards. Harness type: direct fit vehicle specific towbar wiring harness. Typical application: wiring for trailer lighting and towbar electrics on listed vehicles.