Automotive parts that adapt a 40-pin Quadlock to a 52-pin MQB Quadlock, allowing aftermarket head units to connect to VW wiring looms. Full front and rear audio can be restored with a plug-and-play fit that avoids cutting or splicing factory cables. Is XTRONS Car ISO Harness Adapter Connector Cable compatible with your vehicle and backed by enough support?
⚡ At a Glance
- • Connector Compatibility: Converts a 40-pin Quadlock plug to a 52-pin MQB Quadlock, aimed at VW harnesses, including Golf 7
- • Best for: Owners fitting aftermarket head units to MQB-based VW cars who want a direct connector solution
- • Not ideal for: Vehicles whose power port does not match the pictured Quadlock connector
Adapter converts a 40-pin Quadlock to a 52-pin MQB Quadlock for VW vehicles. Plug-and-play wiring reduces installation work and is backed by XTRONS support and a three-month warranty.
Restore Full Audio - with 40-pin to 52-pin MQB Quadlock conversion
Wiring is aligned between the 40-pin Quadlock and the 52-pin MQB Quadlock, ensuring speaker, power and signal lines match the aftermarket head unit connections. User feedback confirms that front and rear channels become active after fitting.
Reinstate full front and rear speaker outputs without modifying factory cables, so the aftermarket head unit performs as expected.
Plug-and-Play Installation - with no splicing required
Mated Quadlock connectors connect directly to the existing harnesses, avoiding wire cutting or soldering during installation, as noted in user reviews. The connector pins align with OEM sockets for a straightforward fit.
Quicker and tidier installs for DIYers and workshops, with less risk of wiring mistakes compared with manual splicing.
Backed Support and Warranty - with XTRONS professional service
XTRONS provides pre- and post-sales customer support and a three-month warranty, with guidance available through Amazon email communication. The seller explicitly advises checking connector compatibility before purchase.
Access to direct support and a short warranty period offers reassurance if compatibility or fit issues arise.
✨ The 4 Key Reasons for XTRONS Car ISO Harness Adapter Connector Cable
Plug-and-play wiring - Complete connector swap, fitting without cutting factory cables
- Full front and rear audio - Restores all speaker outputs after head unit replacement
- Durable construction - Quality build reduces risk of loose contacts over time
- Professional support - Three-month warranty and customer help via Amazon email
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Connector type: 40-pin Quadlock to 52-pin MQB Quadlock
- Compatible vehicles: VW, including Golf 7
- Installation: Plug-and-play, no splicing required
- Warranty: 3-month warranty
❓ Frequently Asked Questions
Q: Will this adapter fit my VW Golf 7?
A: The adapter is described for VW vehicles and Golf 7 in the listing, but buyers should check whether the vehicle's power port matches the pictured Quadlock connector before purchasing.
Q: Do I need to splice wires for installation?
A: User feedback confirms plug-and-play installation with no splicing required, so the connector mates to existing harnesses directly.
Q: What warranty and support are provided?
A: XTRONS offers professional pre- and post-sales customer support and a three-month warranty, with contact via Amazon email for questions or issues.
🏆 Our Verdict
Suitable for VW owners who want a straightforward way to fit aftermarket head units without cutting factory wiring. The adapter converts 40-pin Quadlock to 52-pin MQB Quadlock to restore full front and rear audio while keeping installations reversible. Backed by XTRONS support and a three-month warranty, it delivers practical, short-term reassurance for head unit swaps.
