Power hum when running inverter

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tzed9

Member - Posts: 4

Joined: March 07, 2006

Location: Japan

Posted: June 01, 2006 at 1:37 AM / IP Logged

Hi sure this is a simple one for somebody...

Got a cheap inverter to charge the laptop on the dash - Vaio PCG-U3, tiny little thing.

When its on I get power hum coming from the sub. I have tried to move the earths for each away from each other, which helped some, but the hum remains still.

Is there something I can try?

Many thanks!

More blue lights please!

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aznboi3644

Gold - Posts: 2,600

This member consistently provides reliable information

Joined: May 01, 2006

Location: United States

Posted: June 01, 2006 at 1:51 AM / IP Logged

instead of earths call them grounds.

Is the inverter wired directly to the battery or is it a cigarette lighter one?

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tzed9

Member - Posts: 4

Joined: March 07, 2006

Location: Japan

Posted: June 02, 2006 at 9:51 AM / IP Logged

Its had the crappy cigarette lighted adapter chopped off and been wired, via relay and fuse, to the battery. THe live has anyway, ground goes to body. Sub is wired a similar way.

Any thoughts please?

More blue lights please!

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Power hum when running inverter

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