Ground??

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Anthony1

Copper - Posts: 62

Joined: February 18, 2003

Location: Canada

Posted: March 10, 2003 at 6:42 PM / IP Logged

this is probably a stupid question but I always here negative ground being used, Is there such a thing as posotive ground??If so what is the difference. When a output says grounded when armed for intance on a alarm, is this just the same as when you ground something on metal, or is there electric current in this output???

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the12volt

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Joined: March 07, 2002

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Posted: March 10, 2003 at 7:00 PM / IP Logged

Yes, there is such a thing as a positive ground. Older Volkswagon Beetles used a positive ground. This is when the positive terminal of the battery goes to the chassis and the negative side is run through the fuse panel, switches, etc.

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the12volt

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Posted: March 10, 2003 at 7:05 PM / IP Logged

Anthony1 wrote:

.... When a output says grounded when armed for intance on a alarm, is this just the same as when you ground something on metal, or is there electric current in this output???

This refers to the output having continuity to ground in a negative ground system or "something metal" as you stated, however not everything metal in a vehicle is necessarily grounded ;)

Edit: Yes, there is a limited amount of current that may pass through this output. Typical ratings are around 200mA to 300mA, but may differ. Check your manual for the specific rating.

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Ground??

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