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Horn Relay

  1. Remove horn relay. Ensure continuity does not exist between relay terminals No. 1 and 2. See Fig 1 . Ensure continuity exists between relay terminals No. 3 and 4. If continuity is as specified, go to next step. If continuity is not as specified, replace horn relay.
  2. Apply battery voltage across relay terminals No. 3 and 4. Ensure continuity exists between relay terminals No. 1 and 2. If continuity does not exist, replace horn relay.
Fig 1: Identifying Horn Relay Terminals
G99C54728Courtesy of SUBARU OF AMERICA, INC.
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