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Section 19 (Instrument Panel): Testing: Notes

WARNING: This page is about a different car, the 1997 Oldsmobile Aurora and 1997 Buick Riviera. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For connector terminal identification, see Fig 1 through Fig 5 . For terminal wire color identification, see WIRING DIAGRAMS  . For speedometer testing, see Vehicle Speed Sensor (VSS) related codes in TESTS W/CODES article in ENGINE PERFORMANCE section. Refer to menu below.
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
Fig 1: Identifying Connector C1 Terminals (Aurora)
G97D28780Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Connector C2 Terminals (Aurora)
G97E28781Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Connector C1 Terminals (Riviera)
G97F28782Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying Connector C2 Terminals (Riviera)
G97G28783Courtesy of GENERAL MOTORS CORP.
Fig 5: Identifying Remote Indicator Bank Connector Terminals (Aurora)
G97H28784Courtesy of GENERAL MOTORS CORP.