overloading an earth point

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bemendozer

Member - Posts: 14

Joined: September 25, 2005

Location: United Kingdom

Posted: July 24, 2008 at 10:58 AM / IP Logged

Is it possible to overload an Earth Point in a car? I am wiring up a 900watt amp and rather than make an Earth Point I have found one in the back quater but it is being used by the rear lights and other small items. If I connect my amp to this earth point will it blow? I have connected the amp to this point but just to test the amp before the install went ahead and nothing blow but I don't know what will happen when the volume is turned up.

Cheers

haemphyst

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Joined: January 19, 2003

Location: Michigan, Bouvet Island

Posted: July 24, 2008 at 12:05 PM / IP Logged

Just like ANY curent path, yes, you can "overload" it. The same as you can try to pull too much current from a battery post. This is simply an issue of excessive voltage drop. I would not use that point ever, though, as each time you step on the brake pedal, you run the risk of a "pop" from voltage or current spikes.

Find a different, and more appropriate, ground point.

It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

eclipser93

Member - Posts: 10

Joined: September 27, 2005

Location: United States

Posted: July 28, 2008 at 12:08 AM / IP Logged

Well Put

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overloading an earth point

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