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Starter Relay Test

  1. Locate and remove starter relay from vehicle. Connect power and ground to relay terminals No. 2 and 4. See Fig 1 . Ensure continuity exists between relay terminals No. 1 and 2.
  2. Disconnect power and ground from terminals No. 2 and 4. Continuity should no longer exist between terminals No. 1 and 3. Replace starter relay if it does not test as specified.
Fig 1: Testing Starter Relay
G99H05157Courtesy of ISUZU MOTOR CO.