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Whilst this guide is intended for the Volkswagen Skoda Bluetooth kit harness it applies to anything that requires interfacing to the quad lock connector on the rear of the head unit or that uses similar connectors around the car. This guide specifically for 2 x power connections and 2 x data connections.
The way this works [...]
Poor quality sound on the cd changer input can occur after the headunit has changed from a second generation headunit to a third generation headunit or vise versa. The fix is simple and requires pins 2 and 3 to be swapped on the head unit connector.
Second generation headunits
Multi-pin connector 4, 12-pin, for CD changer control [...]
Poor quality sound on the audio input can occur after the headunit has changed from a second generation headunit to a third generation headunit or vise versa. The fix is simple and requires some pins to be swapped on the head unit connector.
Second generation headunits
Multi-pin connector 4, 12-pin, for CD changer control and CD audio [...]
1. Aerial Connector
DAB aerial input connection, optional
or
SDARS aerial input connection for vehicles for USA and Canada
2. Multi-pin connector 1, 8-pin, for loudspeaker outputs
1 – Rear right loudspeaker, positive
2 – Front right loudspeaker, positive
3 – Front left loudspeaker, positive
4 – Rear left loudspeaker, positive
5 – Rear right loudspeaker, negative
6 – Front right loudspeaker, negative
7 – Front [...]
Quad Lock – All recent Volkswagen, Skoda, Seat and Audi vehicles use this connector.
Connector 1 – 8-pin (4×2) – brown – 3B7 035 447 (3B7035447)
Pins – N 906 844 05 (N90684405)
Repair Wire 0.5mm – 000 979 021 (000979021)
Repair Wire 1.0mm – 000 979 133 (000979133)
Repair Wire 2.5mm – 000 979 225 (000979225)
Male
Pins – [...]
Overview of connectors on USB connection
1 – Data in, (here output)
2 – Data clock
3 – Voltage supply, terminal 31
4 – Data out (here input)
5 – Not assigned
6 – Voltage supply, terminal 30
7 – LF audio signal, right, positive
8 – Control line, positive, switched from radio
9 – LF audio signal, negative
10 – LF audio signal, left, [...]
VAG 1K0907530S CAN bus gateway
Early build Volkswagen cars can experience a power drain issue after upgrading their 2nd generation headunit from a RCD 300 or RCD 500 to a 3rd generation headunit like the RCD 210, RCD 310, RNS 310 and RCD 510.
The problem is the CAN bus Gateway is too old and an [...]
3rd generation connection
Upgrading from a 2nd generation radio (RCD 300, RCD 500) to a 3rd generation (RCD 210, RCD 310, RNS 310, RNS 510, RCD 510) requires an antenna/aerial adapter to be fitted. The 2nd generation radios had two seperate connectors for the antenna/aerial connections whereas the 3rd generation still have the two antenna/aerial [...]
Upgrading the audio with the stock headunit in cars without the factory amplified is easy with the Blaupunkt PnP (Plug and Play) amplifiers. Two models suit the Golf Mark V and fit under the left hand side front seat where the factory amplifier would sit. Two parts are required, the amplifier itself and the PnP [...]
Volkswagen’s Optical Parking System (OPS) gives a visual display of the rear and front (where fitted) PDC sensors on the RCD 310, RCD 510 and RNS 510.
Vehicles with genuine Volkswagen PDC and a suitable headunit can be upgrade to the Optical Parking System through a few simple upgrades.
The CAN gateway needs to be revision E or [...]
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