GM Service Manual Online
For 1990-2009 cars only

Noise Diagnosis (Dead Space)

Tools Required

J 39916-A CD and Cassette Diagnostic Audio Kit

A portion of the J 39916-A may be used in order to diagnose the following conditions:

    â€¢ Alternator whine
    â€¢ Switch pops
    â€¢ Other conditions

These conditions may be more easily detected during dead space (blank space between songs). Use this portion of the diagnostic kit in conjunction with radio noise diagnosis.