Simon Slick Simon Slick

2007 Ford Taurus - Audio System AUX Jack Addition

This is how I added an AUX jack to 2007 Ford Taurus SE sedan factory audio system. Bluetooth addition

  1. Mounted an AUX jack in a non conductive panel and attached it to front of the dash.
  2. Removed the +/- L/R from the 20 pin connector of the in dash CD player and connected them to the AUX jack.

9Dk Blu/Wht+R AUX jack ring 1
19Gry-R AUX jack ring 2
10Wht/Pnk-L AUX jack sleeve
20Brn/Lt Grn+L AUX jack tip

Connector pin removal made easy:



Playing a CD selects the AUX jack input.  "Real" or silent CD doesn't matter because the CD player audio is disconnected.
Essentially the in dash CD player is replaced by the AUX jack input.

AM/FM radio still works because it is actually in the rear control unit (RCU), along with the amplifier, that is mounted in the trunk.

Audio quality is on par with CD.

CD functionality could have been retained by using a 4PDT switch.  Don't need a CD though when entire music library is at fingertips.

Could use about 10 db more gain.  Other than that it is good and is still quite usable.

A TRRS jack is used to retain the balanced line capability.  This was not a requirement.  A TRS jack with both -L and -R connected to sleeve would have worked too.  That is essentially what happens when a TRS plug is inserted into the TRRS jack.

Integrated Control Panel (ICP) Audio System Connector Pinout

PinColorSignal PinColorSignal
1BlkGND (behind center of dash) 11Wht/RedVBatt (hot at all times)
2Dk Blu/WhtIllum Out (interior lights system) 12Blk/YelGND (behind center of dash)
3Tan/Lt BluDisabled Ind (supplemental restraints system) 13Lt Blu/Pnk+ ACP (audio control protocol)
4Lt Grn/BlkASYSON (audio system on) 14Tan- ACP (audio control protocol)
5Red/YelVPwr (hot in start or run) 15Gry/Red?
6Blk/PnkVPwr (hot in run or acc) 16Red/YelVPwr (hot in start or run)
7Dk Grn/VioDefrost Relay (defogger system) 17Dk Blu/OrgDefrost Switch In (defogger system)
8 18
9Dk Blu/Wht+ Right Audio 19Gry- Right Audio
10Wht/Pnk- Left Audio 20Brn/Lt Grn+ Left Audio
Zucchini 2007 Ford Taurus - Audio System AUX Jack Addition