9-3 Hatchback (9400) L4-2.0L Turbo (B205) (2000)
Check wiring harness.
Jiggle the wiring harness at several points and in different directions to reveal intermittent breaks and short-circuits in the leads.
Observe the multimeter, test lamp or diagnostic instrument during the test.
Check the MUTE Lead to the Amplifier
Check The MUTE Lead To The Amplifier
Unplug the connector
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Amplifier, DIN (354)
Take a voltage reading.
Connect the test probes as follows:
Amplifier, DIN (354) 6
Good grounding point (B-)