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Practical retrofit and fitment guides for VW, Audi, Skoda and Seat specialists.
Fitting CarPlay to a PQ35 or PQ46 car is a harness job, not a radio job. The four units worth using, the quadlock checks that decide the install, and the sleep fault that flattens batteries.
PQ Platform Radio Upgrade: RCD510 and RCD420 to RCD330G Plus or MIB2 Read More »
The wheel bolts on in an hour; the LIN chain is what decides whether the buttons work. A diagnostic-first guide to clock springs, column modules, decoders and coding.
Buttons That Don’t Talk: Wiring a Retrofit Multifunction Steering Wheel on PQ and MQB Read More »
Why a climate panel swap is really a sensor and servo job, what has to be coded in address 08, and the console trim that comes apart with it.
Climatic to Climatronic on MQB: Panel, Servos and the Centre Switch Row Read More »
Analogue versus Ethernet amplifiers on MQB, what actually has to be re-routed in the loom, and why component protection mutes a perfectly wired install.
Factory Amplifier Retrofit on Golf 7 and Passat B8: Two Families, One Loom Problem Read More »
Where the 5NA962243 antenna has to sit, how the loom reaches the comfort CAN, and why most kick sensor comebacks are a mounting problem rather than a coding one.
A workshop guide to fitting a factory-style Qi pad in a Golf 7 or Passat B8 console: which kits exist, how the trim comes apart, terminal 15 wiring, coil alignment and the faults that come back.
Wireless Charging Retrofit on Golf 7 and Passat B8: Console Teardown, Power and Pitfalls Read More »
A workshop-level guide to adding four front parking sensors to an MQB car: the eight-channel module requirement, bumper hole layout, harness routing and the gateway-PDC-head-unit coding order.
Front PDC and 8K OPS on MQB: Sensors, Harness Routing and the Display Coding Read More »
What actually has to change when a Golf 7 xenon car moves to 7.5 LED lamps: adapter harness pinning, BCM capability, AFS and leveling decisions, and the coding sequence that avoids a no-light first start.
Golf 7 Xenon to LED Headlight Conversion: Harness, AFS and the Coding Order Read More »
Radar slaves behind the bumper, extended CAN wiring and the coding order for address 3C — plus the five failure modes that account for most failed Side Assist retrofits.
Side Assist Retrofit on MQB: Radar Slaves, Mirror Lamps and Coding Address 3C Read More »
What Area View 360 actually requires on MQB: the 6C module and its parameter set, LVDS routing through the door and tailgate hinges, the 19-5F-6C-10 coding order, and the calibration and bracket faults that decide whether the retrofit works.
Retrofitting Area View 360 on MQB: Module 6C, Harness Routing and Calibration Read More »