FixVault
Home › Chevrolet › 2000 › Astro Van Cargo, AWD › Repair and Diagnosis › Body & Frame › Windows › Power Window System › System Tests › Test A: All Windows Inoperative › Astro & Safari

Astro & Safari

  1. Disconnect master window switch assembly connector. Turn ignition switch to RUN position. Connect a test light between ground and master window switch assembly connector C1 terminal "L" (Yellow wire). See Fig 1 . If test light illuminates, go to next step. If test light does not illuminate, repair open in Yellow wire between master window switch assembly connector and instrument panel fuse block. See WIRING DIAGRAMS  .
  2. Connect a test light between master window switch assembly connector C1 terminal "L" (Yellow wire) and master window switch assembly connector C2 terminal "C" (Black wire). See Fig 2 . If test light illuminates, replace master window switch assembly. If test light does not illuminate, repair open in Black wire between master window switch assembly connector C2 terminal "C" and ground. See WIRING DIAGRAMS  . Retest system.
Fig 1: Identifying Left Window Switch Connector C1 & Right Window Switch Connector C2 Terminals (Astro & Safari)
G99C02298Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Left Window Switch Connector C2 Terminals (Astro & Safari)
G99E02299Courtesy of GENERAL MOTORS CORP.
About FixVault