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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Electrical >> Horns >> Horn System >> Diagnostic Information and Procedures >> Horns Always On >> Test Description

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 4. Tests if ground is constantly being applied to the horn relay.
  2. 5. The horn relay control circuit includes the horn switch. The horn switch must be tested for a short to ground when testing the relay control circuit.
Fig 1: Horns Always On
G01841092Courtesy of GENERAL MOTORS CORP.
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