9-3 Hatchback (9400) L4-2.0L Turbo (B205) (2000)
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The test lamp should light.
Checking The Wiring Harness
Jiggle the leads and in-line connectors at several places and in different directions to reveal intermittent breaks and short circuits in the wiring harness.
Observe the multimeter test lamp or diagnostic tool while doing this.
Is the function correct?
NO
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See: Automatic Transmission/Checking the Fault Symptoms/Lamp Does Not Go on/Changing Components - I
YES -
See: Automatic Transmission/Checking the Fault Symptoms/Lamp Does Not Go on/Checking the Control Module's Sensor Input
Checking the Brake Lights Switch
Check The Brake Lights Switch
Unplug the connector.
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Brake lights switch (29)