C2R-VW
Radio Replacement interface for Volkswagen
Use for Aftermarket Navigation radios that require Vehicle
Speed Sense, Reverse, Parking Brake and Illumination inputs.
Class 2
1 0 0 0 1 1 1 0 1 1 1 1 0 0 1 0 0 1 1 0 1 1 0 0
J1850
Class 2
1 1 1 0 1 0 0 0 0 1 1 0 1 1 0 1 1 1 0 0 1 1 0 0
* 2002-2005 VW vehicles do not have a reverse or parking brake signal on the CAN-Bus. The Green and Red/White wires do not
function for these model year vehicles. Parking brake and reverse signal wires can be found with a volt meter in the vehicles factory
wiring. Vehicle must have a factory installed double din headunit (4” tall).
16 pin
Yellow = +12v Constant
Black = ground
Gray = Right Front (+)
Gray/Black = Right Front (-)
White = Left Front (+)
White/Black = Left Front (-)
Violet = Right Rear (+)
Violet/Black = Right Rear (-)
Green = Left Rear (+)
Blue/White = Vehicle Year Select
Black/White = N/A
Green = Reverse output (2005.5-2007)
Orange/White = Parking Light output
Violet/ White = Vehicle Speed Sense (VSS) output
Red/White = Parking Brake output (2005.5-2007)
Green/Black = Left Rear (-)
6 pin
Red = +12v Accessory output
VW Ra
11 pin
1 amp
fuse holder
To optional SWI-CAN interface for retaining steering wheel audio controls
Installation:
1. Connect the aftermarket radio’s front and rear speaker wires to the 16 pin plug.
3. The 16 pin harness has a yellow and a black wire. Connect the yellow to the radio’s +12v constant wire and the black to the
radio’s ground wire.
4. The accessory wire is located on the 6 pin harness - connect this wire to the radio’s accessory wire. The accessory wire
supplies +12v, 1 amp max, when key is in the accessory or Ignition position. If more current is needed refer to Fig. 1.
5. 11 pin plug:
1. Blue/White - For 2002-2005, Connect this wire to the Battery 12v source. For 2005.5-2007, Insulate and DO NOT USE!
2. Black/White - N/A.
Fig. 1
High Current 12v
(using a SPDT relay)
(Fused)
3. Green - Connect this wire to the radio’s Reverse input wire only.
4. Orange/White - Connect this wire to the radio’s Illumination input wire only.
85
87
86
12v Acc.
From
Interface
5. Violet/White - Connect this wire to the radio’s VSS input wire only.
6. Red/White - Connect this wire to the radio’s Parking brake input wire only.
Note: Do not connect these wires to any other circuit besides the radio’s wire harness.
Ground
87a
30
Diode 1N4005
or equivelant
New High
Current Output
6. When all connections are made, connect the 16 pin plug into the vehicle’s 16 pin harness.
7. Refer to the radio’s manual for testing VSS, Reverse, Parking Brake and Illumination inputs (if used).
DISCLAIMER: Under no circumstances shall the manufacturer or the distributors of the C2R-VW parts be held liable for consequential damages sus-
tained in connection with the C2R-VW. The manufacture and it’s distributors will not, nor will they authorize any representative or any other individual to
assume obligation or liability in relation to the C2R-VW other than its replacement.
Pacific Accessory Corporation - Santa Ana, CA 92705
10-07-09
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