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Home >> Cadillac >> 1997 >> Eldorado Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> INSTRUMENT PANEL CLUSTER DIAGNOSTIC TROUBLE CODES (DTCs) >> DTC B1983 >> Diagnostic Procedure

Diagnostic Procedure

  1. Connect scan tool. Turn ignition off. Using scan tool, select DATA LIST, DATA. If battery voltage displayed on scan tool is 9 volts or less, go to next step. If battery voltage displayed on scan tool is greater than 9 volts, replace IPC.
  2. Measure voltage between IPC connector C1 terminal A1 (Orange wire) and ground. See Figure . If voltage is 9 volts or less, locate and repair problem in charging system. See GENERATOR & REGULATOR article in ELECTRICAL section. If voltage is greater than 9 volts, replace IPC.
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