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Home >> Suzuki >> 2007 >> XL7 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting Systems >> Diagnostic Information and Procedures >> Stop Lamps Always On >> Circuit/System Testing
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Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the stop lamp switch.
  2. Verify that the stop lamps are OFF.
    • If the stop lamps are not OFF, test the stop lamp signal circuits for a short to voltage.
  3. Verify that a test lamp illuminates between the voltage supply circuit and ground.
    • If the test lamp does not illuminate, repair the voltage supply circuit for a short to ground or an open/high resistance. If the voltage supply circuit fuse is open, test or replace the stop lamp switch.
  4. Install a 3-amp fused jumper wire between the signal circuit and the voltage supply circuit. Verify that the brake lamps are ON.
    • If the brake lamps are not ON, test the signal circuit for an open/high resistance. If circuit tests normal, test or replace the brake lamp bulb.
  5. If all circuits test normal, test or replace the stop lamp switch.
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