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Porsche
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1990
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928 GT V8-4957cc 5.0L
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Restraint Systems
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Test Point 45
Test Point 45
Fault Code 3 _ 59
Break in circuit at warning.
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Check power supply fuse for instrument cluster lamp.
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Check warning lamp and renew if necessary.
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Check wiring for damage.