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Short Circuit Check (wire harness to ground)

  1. Disconnect negative (-) cable at battery.
  2. Disconnect connectors at both ends of the circuit to be checked.
    NOTE: If the circuit to be checked is connected to other parts (1), disconnect all connectors of those parts. Otherwise, diagnosis will be misled.
  3. Measure resistance between terminal at one end of circuit (A-1 terminal in the figure) and body ground. If continuity is indicated, it means that there is a short to ground between terminals A-1 and C-1 of the circuit.
    Fig 1: Measuring Resistance Between A-1 And C-1 Connector Terminals
    G04589320Courtesy of SUZUKI OF AMERICA CORP.
  4. Disconnect the connector included in circuit (connector B) and measure resistance between A-1 and body ground. If continuity is indicated, it means that the circuit is shorted to the ground between terminals A-1 and B-1.
    Fig 2: Measuring Resistance Between A-1 And Body Ground
    G04589321Courtesy of SUZUKI OF AMERICA CORP.
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