LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2000 >> Contour SVT >> Repair and Diagnosis >> External Pages >> Different car >> Section 432 (Entertainment System) >> Diagnosis And Testing >> Entertainment System >> Symptom Chart >> Connector Circuit Reference >> Audio Unit C290c
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Audio Unit C290c

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 Audio Unit C290C Connector Pinouts
G03202615Courtesy of FORD MOTOR CO.
AUDIO UNIT C290C CONNECTOR PINOUTS REFERENCE

Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
1 4-EG10 (GY/BK) standard corporate protocol (SCP) Less than 5 ohms between the audio unit and data link connector. Greater than 10,000 ohms between the audio unit and ground.
4 5-EG10(BU/YE) standard corporate protocol (SCP) Less than 5 ohms between the audio unit and data link connector. Greater than 10,000 ohms between the audio unit and ground.