Install guide

1.2 Reverse Wire

The RNS-E installation into the A6 requires that a separate connection for the reverse wire be made.

This wire permits the RNS-E to know when the vehicle is in reverse gear so that it will move the

indicator correctly on the map. Without this wire, the RNS-E will move the indicator forward on the

map which will create a location error until the unit is able to synchronize with the GPS satellites.

This sync seems to occur about once a minute while the unit is receiving at least three satellite signals.

This subsection is not required for the installation. If not completed, the vehicle location on the map will be in

error for a period of time after travelling in reverse.

Remove the

left side lower

A-pillar trim.

Locate Connector T10f, the brown 10-pin connector in this connection station. Pin 8 in this connector

is a blue/red wire that signals reverse. Tap into this wire and run the connection to the area behind the

headunit. This wire indicates +12V when the vehicle is in reverse gear.

The wire must be well secured and not interfere with the steering mechanism.

Reinstall the lower A-pillar trim, the driver’s side knee panel, and the upper steering column trim.