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My '02 is buried inside a trailer under 8 feet of snow so I cant get you a pic but yes, both ends are bolted thru a rubber if I remember. If only one end is supported it'll vibrate itself to death.
There should be a rubber stand off.Support anti-vibration #93 22 13 30 4pcs. requiredhttp://www.harpermoto.com/parts-lookup/2000-2009-moto-guzzis/california-ev-pi-cat.-1100-2003-2005/electrical-system-i-en-2-3-4-5-6-7-8.htmlTom
Sorry, was looking at the picture wrong.My bike was missing the one in your picture. My ECM had been replaced so I figured they forgot it or it fell off.#11 in the illustration is a nut, 2 are required though I can only find 1 shown in the parts list.I just used a nut and bolt to attach that ear.Hope this helps.Tom