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Hazard Warning Switch Test

  1. Ensure hazard fuse and turn signal flasher unit are okay. Disconnect battery negative cable. Unplug 10-pin hazard switch connector under left side of instrument panel.
  2. With hazard switch off, check continuity between Green/White and Green/Red wires. If no continuity exists, replace hazard switch. If continuity exists, go to next step.
  3. Turn hazard switch on. Check continuity between White and Green/Red wires. If no continuity exists, replace hazard switch. If continuity exists, check continuity between Green/White and Green/Black wires, and between Green/White and Green/Yellow wires.