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Radio Poor Reception: Legend

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
  1. Top Antenna Mast Section
  2. Middle Antenna Mast Section
  3. Antenna Metal Housing Case
  4. Body Ground
  5. Antenna Lead-in Connector, Inner
  6. Lower Antenna Mast Section
Fig 1: Resistance Measuring Chart
G01534267Courtesy of GENERAL MOTORS CORP.

Refer to the table when testing the power antenna.

  1. Disconnect the negative battery cable.
  2. Measure the resistance at the points specified in the table.
  3. With the ohmmeter probes fastened to each point, wiggle the separate mast section and antenna housing case.
  4. The resistance readings specified in the table should always be obtained. Test and/or replace the following when the resistance reading are out of specification.
    • Replace antenna mast section.
    • Test the ground for an open or high resistance.
  5. After finding and correcting the antenna condition, make sure the antenna lead-in connector is corrosion free and properly fastened.
  6. Operate the system in order to verify the repair.
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