PLAYING TV SOUND THROUGH STEREO SPEAKERSI have finally accomplished my dream of a better sound system in my Discovery.
I started off with a new Panasonic TV model #CT20G24 for $260
from Circuit City.   This TV is exactly the same TV as is standard in the
Discovery except it has RCA sound outputs on the back.   It also has Video and
sound inputs on the front for a video camera and games.
The next component I purchased was an FM modulator from a local stereo store
at a cost of $60.00.   The one I purchased is made by Audiovox Specialized
Applications, L.L.C.  (219)264-3135.   The last two items were a ground loop
isolator for $15.00 and a pair of RCA phono cables, 20 feet long, both from
The installation wasn't too difficult.   The hardest part was getting the RCA
cables down from the TV to the D's stereo.   I ran the RCA cables over to the
driver side window.   By removing the bezel along the left side of the window
you are able to get the cables down to the dash.   You then must drill
through the dash behind the bezel, which brings the cable out in front of the
fire wall.   You then drill a hole through the fire wall which now allows you
to reach the stereo.   Be sure to caulk both of these holes.
For access to the rear of the radio, remove the back dash cover.   The back cover
of the dash is held on with one screw on the lower left hand side as you look at the
dash.   Once that screw is removed, the cover can be lifted off towards
the windshield; it is held in place by Velcro.   Once this cover is off you
can remove the four knobs that hold rear view monitor in place.   By doing
this it gives you full view of the stereo.
This installation of the FM modulator is simple.   Unplug the antenna from the back of the stereo and plug it into "vehicle out" on the modulator.   Then, plug the modulator antenna into the stereo.   Next, plug the RCA cables coming from the TV into the ground loop isolator (which will remove any hum from the system).   Plug the ground loop isolator into the modulator.   The last step is to run 12 volt power and ground to the modulator switch and mount the modulator off/on switch on the dash.
To use the system, turn on the TV and the car stereo.   Tune the stereo
to either 89.1 or 88.7 and the sound is now coming out of your four stereo
speakers and your two TV speakers.   The real beauty is that as you control
the sound level with your TV remote it bring all six speakers up and down
together.   The satellite music has never sounded better.
If anyone has any questions feel free to contact me at P7PLUNKETT@AOL.COM or at (520)299-0803.