A/C Compressor Zener Diode to stop radio popping

[Henry A Harper III]

> Thanks Kneale.  Do you, or does anyone reading, know whether this is
> only required/helpful with the factory sound system or is there/would
> there be popping with aftermarket components as well?

I don't think I have ever heard any popping from the a/c compressor on the
12 year old aftermarket system in my car (Kenwood CD head + outboard amps).
So I vote for Bose-only issue.

Henry