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Filament Check

  1. When measuring voltage, wrap tin foil around the top of the negative probe. Then press the foil against the wire with your finger.
    Fig 1: Wrapping Tin Foil Around Top Of Negative Probe
    G03107426Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Attach probe circuit tester (in Volt range) to middle portion of each filament.
    Fig 2: Attaching Probe Circuit Tester To Middle Portion Of Each Filament
    G03107427Courtesy of NISSAN MOTOR CO., U.S.A.
  3. If a filament is burned out, circuit tester registers 0 or battery voltage.
  4. To locate burned out point, move probe to left and right along filament. Test needle will swing abruptly when probe passes the point.
    Fig 3: Moving Probe To Left And Right Along Filament
    G03107428Courtesy of NISSAN MOTOR CO., U.S.A.
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