Antenna: Testing and Inspection

INSPECTION

GLASS ANTENNA TEST




1. Wrap aluminum foil around the tip of the tester probe as shown.




2. Touch one tester probe to the glass antenna terminal near, and move the other tester probe along the antenna wires to check that continuity exists.

GLASS ANTENNA REPAIR

NOTE: To make an effective repair, the broken section must be no longer than one inch.

1. Lightly rub the area around the broken section with tine steel wool, then clean it with alcohol.




2. Carefully mask above and below the broken portion of the glass antenna wire with cellophane tape.




3. Using a small brush, apply a heavy coat of silver conductive paint extending about 1/8" on both sides of the break. Allow 30 minutes to dry.

NOTE: Thoroughly mix the paint before use.

4. Check for continuity in the repaired wire.
5. Apply a second coat of paint in the same way. Let it dry three hours before removing the tape.

GLASS ANTENNA CIRCUIT TEST




1. Remove the right hand rear pillar trim and disconnect the 2 P and 1 P connectors from the glass antenna amp.




2. Turn the radio on.
Disconnect the power connector (1 P) from the amp. Using the multi-meter, check the power (12 V) between the amp ground bolt and power connector (1 P).
3. Using the multi-meter, check the power (0 V) between amp ground bolt and body panel.
4. Disconnect the glass antenna wire connector (2P) from the amp.
Check for continuity between the antenna grid node (AM/FM 1) and antenna wire connector terminal (AM/FM 1) using the multimeter.




5. Check the glass antenna grid wire connector for secure connection to the amp.
6. Check for proper connection of radio cable to amp.
7. Check for an open or short in the grid lines.
8. When a poor radio reception is not repaired through the inspection methods, replace the amp.
9. If the radio reception is still poor, check the radio cable for short and the radio head unit for failure.