Metra 70-1787

Amplified and bose systems
Uses the power wire side of the 70-1787 ; front speaker output only on sme models
20 way connector (plugs into multi-colored harness in car) with RCA plugs

Metra 70-1787
INSTALLATION INSTRUCTIONS
1996-Up
Audi / Volkswagen

For models amplified without Bose:

1996-03 Audi A4 / 1996-03 Audi A6
2000-01 Audi S4 / 2002-03 Audi S6
Use the White,White/Black,Gray,and
Gray/Black speaker wire for the front speak-
er output and use the Green and Purple
RCA’s for the rear speaker outputs.Be sure
to connect the Blue/White wire to the after-
market radio’s amp turn-on wire.The White
and Gray RCA’s will not be used.

For models amplified with Bose:

1996-03 Audi A4 / 1996-03 Audi A6
1997-03 Audi A8 / 2000-01 Audi S4
2002-03 Audi S6 / 2001-03 Audi S8
2000-03 Audi TT
Use the White and Gray RCA’s for the front
speaker output and use the Green and
Purple RCA’s for the rear speaker outputs.
Be sure to connect the Blue/White wire to
the aftermarket radio’s amp turn-on wire.
The White,White/Black,Gray,and Gray/Black
speaker wires will not be used.
For all models with power antennas:
Plug the Blue wire (supplied) in the position
above the Yellow wire.Be sure to connect
the Blue wire to the aftermarket radio’s
antenna turn-on wire.