Connector Identification

NOTE: Stoplamp switch may also be referred to as Brake Transmission Shift Interlock (BTSI) switch or brakelight switch.

Fig 1: Identifying Stoplamp Switch Connector Terminals (2-Pin Style)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Identifying Stoplamp Switch Connector Terminals (4-Pin Style)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Identifying A/T Shift Lock Solenoid Connector Terminals

Courtesy of GENERAL MOTORS CORP.