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Symptom Chart: GFM (CD changer)

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Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods

Condition Possible Sources Actions
The left or right speakers are inoperative when using the CD changer input Refer to the Pinpoint Test GO to Pinpoint Test N 
The CD changer is inoperative Refer to the Pinpoint Test CARRY OUT the network test.
If the GFM passes the network test, CARRY OUT the GFM self-test and REFER to the GFM DTC Chart.
If the GFM does not pass the network test, Refer to: Communications Network .
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