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Installation instructions - Audi A3 2013 ► Audi A3 2014 ► Electrics set for removable tow-
ing bracket, scope of delivery 8V0.055.204.A Audi Genuine Accessories
Installation
– Prise a free blind grommet -1- or -2- out of the opening in the
body.
– Guide the retrofit wiring harness through this free opening in
the body -1- or -2- from the towing bracket into the luggage
compartment.
– Insert grommet -4- into the selected opening in the body.
– Route the retrofit wiring harness -3- along the standard wir-
ing harness to the trailer detector control unit -J345- -1- and
connect to the trailer detector control unit -J345-.
– Make the earth connection -2-.
– Secure the retrofit wiring harness -3- to the standard wiring
harness using cable ties.
The wires must be secured with cable ties to stop them from
"slipping" or "wearing".
Notes on further installation
WARNING
DO NOT connect the battery!
The battery is reconnected ONCE ALL WORK HAS BEEN
COMPLETED.
Earth point tightening torque: 9 Nm
6.4
Installing the "on-board supply" retrofit
wiring harness
⇒ " Installing the "on-board supply" retrofit wiring harness,
A3, A3 Sportback" on page 49
⇒ " Installing the "on-board supply" retrofit wiring harness,
A3 Saloon" on page 51
⇒ " Installing the "on-board supply" retrofit wiring harness
fit, A3 Cabriolet" on page 51
6.4.1 Installing the "on-board supply" retrofit
wiring harness, A3, A3 Sportback
The "on-board supply" retrofit wiring harness is only installed on
vehicles without the preparation for towing bracket.
Preparatory work
◆ Battery has been disconnected
◆ Socket retrofit wiring harness has been fitted
⇒ P age
13.
⇒ P age
46.
Edition 03/2014
6 Electrical connection
49
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