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Entry Lights Do Not Operate From Transmitter

Check keyless entry module connector C1, terminal F, See Fig 1 . If okay, replace keyless module.

Fig 1: Keyless Entry Module Connector C1/Blue
G109251Courtesy of GENERAL MOTORS CORP.
Fig 2: Keyless Entry Module Connector C2/Black
G109252Courtesy of GENERAL MOTORS CORP.