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Any PCI Bus Indicator Inoperative

NOTE: After making any repairs, perform BODY VERIFICATION TEST  under VERIFICATION TESTS.

Test is for all indicators with exception of turn signal, high beam and foglight indicators (bulbs). Ensure instrument cluster communicates on PCI bus. Diagnose and repair any Diagnostic Trouble Codes (DTC) before continuing. Turn ignition off. Remove instrument cluster. See ANALOG INSTRUMENT PANELS - NEON article. Remove suspect Light Emitting Diode (LED) from instrument cluster. Using a DVOM, select DIODE mode. Connect DVOM Black lead to LED negative (-) terminal. Connect DVOM Red lead to LED positive (+) terminal. If LED illuminates, replace instrument cluster. See ANALOG INSTRUMENT PANELS - NEON article. If LED does not illuminate, replace defective LED.

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