/5 extra grounding wire(s) | Vintage BMW Motorcycle Owners

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Fri, 06/03/2011 - 23:16

anderson7585

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VBMWMO #7585

Houston, Texas

Joined: 07/24/2009

Posts: 334

I have heard rumors that some extra ground wires help "smooth out" /5's but I have not heard any specifics.

There is nothing wrong with Griselda's electric-system and I'm trying to keep it that way, so far it's LED brake/taillights, LED turn signals (with an LED-ready relay) and a new battery (AGM) with freshly cleaned cable connections. What else should I be doing?

Vince

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1973 BMW R75/5 (LWB) "Griselda" (stock looking but with logical/practical improvements), 1971 Norton Commando "Commando Bizarro" (a truly strange custom project), 1952 Triumph TRW "Pokey" (being dressed as an RAF Dispatch bike), 1936 BMW R2 "Ediltrudis" (stock, currently out getting a pro restoration). www.vinceandersononline.com

Sat, 06/04/2011 - 08:05

schrader7032

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VBMWMO #7032

San Antonio, TX

Joined: 10/27/2006

Posts: 3475

I think it's a good idea...I

I think it's a good idea...I installed the grounding harness that Motorrad Elektrik sells or used to...I don't see it on their website now. BMW sells such a harness. Snowbum also writes about it:

http://bmwmotorcycletech.info/diodebds&grdgwires.htm

He mentions the service bulletin which describes how to mount the additional grounding harness.

Rob Frankham has a write up on it as well:

http://robfrankham.co.uk/bike/earthing_article.htm

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'78 R100/7 '69 R69S '52 R25/2