Speaker C523, C612, C702, C802

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 Speaker C523, C612, C702, C802 Connectors Pinouts

Courtesy of FORD MOTOR CO.

SPEAKER C523, C612, C702, C802 CONNECTORS PINOUTS REFERENCE

Pin Number(s)	Circuit Designation/Description	Normal Condition/Measurement
1 (C523)	8-MD10 (WH/BK) LF speaker audio output	Less than 5 ohms between the LF speaker and the audio unit. Greater than 10,000 ohms between the LF speaker and ground.
2 (C523)	10-MD10 (GY/BK) LF speaker audio return	Less than 5 ohms between the LF speaker and the audio unit. Greater than 10,000 ohms between the LF speaker and ground.
1 (C612)	8-MD17 (WH/RD) RF speaker audio output	Less than 5 ohms between the RF speaker and the audio unit. Greater than 10,000 ohms between the RF speaker and ground.
2(C612)	10-MD17 (GY/RD) RF speaker audio return	Less than 5 ohms between the RF speaker and the audio unit. Greater than 10,000 ohms between the RF speaker and ground.
1 (C702)	8-MD11 (WH/VT) LR speaker audio output	Less than 5 ohms between the LR speaker and the audio unit. Greater than 10,000 ohms between the LR speaker and ground.
2 (C702)	10-MD11 (GY/WH) LR speaker audio return	Less than 5 ohms between the LR speaker and the audio unit. Greater than 10,000 ohms between the LR speaker and ground.
1 (C802)	8-MD18(WH) RR speaker audio output	Less than 5 ohms between the RR speaker and the audio unit. Greater than 10,000 ohms between the RR speaker and ground.
2 (C802)	10-MD18(GY) RR speaker audio return	Less than 5 ohms between the RR speaker and the audio unit. Greater than 10,000 ohms between the RR speaker and ground.