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<blockquote data-quote="robles_ricky" data-source="post: 7095023" data-attributes="member: 610748"><p>I would get the alternator checked. I remember when I had my 78 jeep my alternator regulator was giving out and when I had some voltage drop the alternator would actually whine trying to bring the voltage back up. The reason I asked which vehicle is because some older vehicles have a condensor either attached to voltage regulator or distribuitor to get rid of electrical noise in radio. Usually newer cars like yours that are distribuitor-less ignitions are good about not making electrical noise but the alternator could be the culprit, especially if it only does it when running. I don&#039;t know how accessible the plug that is connected to your alternator is but you might be able to try disconnecting it and then starting the car and listen out for the noise. If it doesn&#039;t do it then there is ur answer. The car will just run on battery so u can run it for testing purposes only just don&#039;t forget to plug it back in after you&#039;re done checking so u can re start vehicle and charge batt. Back up for a few minutes. Just my opinion but maybe someone has any other ideas.</p></blockquote><p></p>

[QUOTE="robles_ricky, post: 7095023, member: 610748"] I would get the alternator checked. I remember when I had my 78 jeep my alternator regulator was giving out and when I had some voltage drop the alternator would actually whine trying to bring the voltage back up. The reason I asked which vehicle is because some older vehicles have a condensor either attached to voltage regulator or distribuitor to get rid of electrical noise in radio. Usually newer cars like yours that are distribuitor-less ignitions are good about not making electrical noise but the alternator could be the culprit, especially if it only does it when running. I don't know how accessible the plug that is connected to your alternator is but you might be able to try disconnecting it and then starting the car and listen out for the noise. If it doesn't do it then there is ur answer. The car will just run on battery so u can run it for testing purposes only just don't forget to plug it back in after you're done checking so u can re start vehicle and charge batt. Back up for a few minutes. Just my opinion but maybe someone has any other ideas. [/QUOTE]

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