These instructions are based on an installation into a 1995.5 S6 sedan. They probably apply to '96 and '97 models as well. The relevant difference with these cars compared to the earlier cars is the wide "Delta CC" radio, which does not connect to the instrument cluster the way the narrow "Gamma CC" radio does. Fortunately, most of the wiring for the instrument cluster display is still present, but it is not brought out to the radio harness.

Because the three instrument cluster display wires do not extend into the radio wiring harness on the Delta cars, three new terminals must be inserted into the white connector in "Connector Station 3", which is located behind the climate control unit. Both the radio and the climate control unit must be removed for this procedure.

This is the white connector which, on the side closer to the engine, contains the contacts which lead to the instrument cluster:

In the above picture, three wires from the TDS-1 wiring harness have already been inserted into the connector.

Here is a picture of the two connector halves separated:

NOTE: Do not rely on the orientation of the white connector to determine which wires go where. On this 95.5 S6, the display signals are on the top row. On another car, they may be on the bottom row (because the white connector is rotated 180 degrees). There are small numbers molded into the white plastic connector. Use these as a guide to placing the new pins.

In the picture below, you can see how the three wires from the TDS-1 wiring harness (violet, green, and yellow) connect to the empty positions on the top row of the connector. In this picture, only one female connector pin has been spliced on to the yellow wire; the green and violet wires are just temporarily shoved in the connector positions to test the connection. (Sufficient connector pins were not on hand when these pictures were taken.)