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Circuit/System Testing

NOTE:

Before testing, inspect the antenna coax cable for damage or poor connections.

  1. Ignition OFF, disconnect the radio antenna coax cable from the radio.
  2. Ignition ON, test for B+ between the coax cable connection center conductor at the radio and ground.
    • If not the specified value, replace the radio.
  3. Ignition OFF, reconnect the antenna coax cable at the radio. Disconnect the antenna coax cable from the radio antenna.
  4. Ignition ON, test for B+ between the coax cable connection center conductor and the coax cable outer shield.
    • If less than the specified range, replace the coax cable
  5. If all circuits test normal, replace the radio antenna.
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