Speaker Noise - General - GMC Chevrolet Camaro 1998 Service Manual

8-222 Entertainment
Speaker Noise - General
Use And Construction Of A Noise· Sniffer
The noise sniffer can be used with the vehicle radio in
order to locate hot spots generating radio noise
interference. Hot spots can be found in the following
locations:
• The harness
• The upper part of the dash
• Between the hood and the windshield
Making The Sniffer
1. Make the sniffer from an old piece of antenna
lead-in from a mast or a power antenna
2. Remove the antenna base connector from the
antenna lead-in (4)
3. Cut away 2 inches of the coax shield (3).
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The 2 inch section with the braided shield stripped
back becomes the antenna when plugged into
the radio antenna socket.
Body and Accessories
To. Use The Noise Sniffer:
1 . Listen to the complaint noise.
2. Disconnect the antenna.
3. Plug the antenna into the antenna socket in order
to probe and search out hot spots.
4. Turn the radio volume up.
3
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5. Search for the noise (1 ).
Keep fingers off the 2 inch probe. For best results
place the sniffer (3) parallel to the wire (2).
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