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Join Date: Feb 2000
Posts: 511
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Too many grounds off one point
I'm in the process off hooking up my 3.2 DME in my 914. Where my wires run, in regards to the grounds, is the same spot where I hook up my 914 grounds.
Can you have to many grounding wires pulling from one spot. Or should it be spread out.
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1973 914-6 3.2 Motronic |
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09-28-2005, 07:47 AM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,491
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As long as all the connections are clean it doesn't matter.
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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09-28-2005, 08:02 AM
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Location: Peoples Republic of Long Beach, NY
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I use a line of thought that says it's not the actual number of wires but the number of connectors on one lug that is the envelope. My thinking could be all wet 'cause I think marine? I max at 4 terminals.
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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09-28-2005, 10:06 AM
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Ayo Irpin, Ukraine!
Join Date: Mar 2004
Location: Santa Cruz, CA
Posts: 12,537
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Theoretically it's better to have all grounds originate from one spot. It eliminates ground loops and varying potential in circuits due to ground currents. It's just not practical from a mechanical standpoint. The more lugs you introduce in any one connection to chassis, the more chances you have for degraded electrical connection.
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09-28-2005, 10:28 AM
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Join Date: Sep 2004
Location: Fort Collins, CO
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Ground is ground.
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09-28-2005, 10:40 AM
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I'm with Michael on this one.
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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09-28-2005, 11:09 AM
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Join Date: Nov 2004
Location: Greater Metropolitan Nimrod, Oregun
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Au contraire, what you think is ground isn't always at the exact same potential - Michael has it right. Whether gnd loops can be an issue for whatever electronics are in your model car, I dunno.
Just stack them up until you feel like it is not good mechanically then find or make another ground star.
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"A man with his priorities so far out of whack doesn't deserve such a fine automobile." - Ferris Bueller's Day Off |
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09-28-2005, 11:50 AM
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