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Subwoofer Amplifier C466a

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Subwoofer Amplifier C466A Connector Pinouts
G03202616Courtesy of FORD MOTOR CO.
SUBWOOFER AMPLIFIER C466A CONNECTOR PINOUTS REFERENCE

Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
1 7-MD19 (YE/RD) subwoofer enable/clip detection 5 volts with audio unit ON. Less than 5 ohms between the audio unit and the subwoofer amplifier. Greater than 10,000 ohms between the audio unit and ground.
2 31-MD19 (BK/BU) subwoofer amplifier ground Less than 5 ohms between the subwoofer amplifier and ground.
5 30-MD19A(RD/BU) B+ constant battery feed Greater than 10 volts between the subwoofer amplifier and ground. Less than 5 ohms between the subwoofer amplifier and the CJB.
7 1-MD19 (WH/RD) subwoofer audio output Less than 5 ohms between the subwoofer amplifier and the audio unit. Greater than 10,000 ohms between the subwoofer and ground.
8 2-MD19 (GY/RD) subwoofer audio return Less than 5 ohms between the subwoofer amplifier and the audio unit. Greater than 10,000 ohms between the subwoofer and ground.