Re: antenna on 97 GLX and aftermarket head unit

[Steve Harris <swharris@earthlink.net>]

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Bryan,

I got this off the net somewhere....hope it helps.


Steve

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Fuba Antenna

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I have replaced the stock radio in my 1996 Jetta GLX with an after market
radio and CD changer. The job wasn't to difficult once I was able to get the
correct wiring harness and antenna wire adapter from a local car stereo
shop. The stock speakers in the car really sound great. I was planning on
replacing them too, but after listening to them I no longer see that to be
necessary.

One problem I am having with an after market radio is that my AM receptions
sucks! I have talked with a couple different radio install guys and one guy
at United Audio was able to fax me a fix. This is what the fax said:

"Some of the new VW head units do not have an external turn-on lead for
their amplified antenna, or at least one you can see. This relates to the
vehicles with the roof mounted antennas. The center conductor on the coax
cable is used as the turn-on lead for the amplified antenna. What this means
is, for those who attempt to add an aftermarket head unit will now need to
make an adapter to turn the amplified antenna on. The diagram below will
show how to solve this problem using the recommended parts we have listed.
You will need two capacitors (C1 = 100 uF 16V, C2 = 0.001 uF) and one
inductor (L1 = 0.06 mH - 0.085 mH)"

This information came from the "Alpine Fast Fax" service. If you would like
receive a copy of this document the phone number is: (800) TECH 101, and the
document number is #9354. It is an automated fax service so you do need a
way to receive faxes.

Has anyone else had this problem or made this modification? If so please
share your wisdom.

Thanks,
Mitch
mitch@eagletest.com

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