I am starting to believe I may have a Bad Ground, but I need help locating the stereo ground. One more thing, my back window wiper stopped working as well. Can you help?
It would have been helpful If you had said whether the antenna is a conventional external mast type or a windscreen mounted type?
What you could be describing is the interference noise caused by a vehicle with unsuppressed systems or a radio receiving a poor signal strength.
A conventional mast antenna must have an effective ground connection and the best way to check this is with an ohmmeter at the plug outer to ground (and also plug centre to mast). It is important no current is drawn through the antenna ground so ensure the radio ground is good.
Windscreen antennas rarely perform well and usually require a wideband rf preamplifier to provide the required signal strength. This also applies to the modern "external bump" type antenna. If the rear screen heater is being used as an antenna it is possible the failed rear wiper might be the indirect cause of the trouble, especially if it is a power failure and the signal preamp shares the supply.
Once all the basic requirements have been satisfied it is sometimes necessary to fit a variety of suppressors to the alternator, wipers, instruments, radio supply and so forth. In the days before radios became standard our professional radio fitter could virtually throw a radio in some cars without problems but other supposedly identical models he had to spend the day almost dismantling them and fitting a box full of stuff...
SOURCE: Radio Stations are all static
If the antenna isnt there... that may be the problem!! LOL
Have you tried an aftermarket antenna directly to the radio to see if it works properly?
Fixed MAST antennas usually designate a standard 31" antennas protruding from the wheel well on either the passenger or Driver side.... not the bumper.
A solution to the fixed mast/car wash problem is to go with an interior glass mount or hidden antenna. This keeps your wiring out of the outside corrosive environment as well.
http://www.autotoys.com/pics/793new.jpg is one version
http://motorcyclestuffwarehouse.com/images/14721_kur_853_tt_h_pu.jpg is another type.
Finally...
http://akamaipix.crutchfield.com/products/2005/120/h12044UA200-f.jpeg
SOURCE: Radio troubles for 1985 Chevy Caprice
If the car has a built in amp/s for speakers would need to hook the wire from car amp/s up to amp turn on or power ant from radio
SOURCE: factory radio recieves am stations only no fm stereo
get a new one as they are cheap these days!
& not worth the labour costs to try & fix them anymore!
Cheers Rob
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