The New And Improved Unofficial R65 Forum V2

Technical Discussion => BMW Technical Q&A, Primarily R65 => Topic started by: jamestnewsonr65 on February 03, 2017, 08:34:07 AM

Title: Replacement Diode Board (Ei)
Post by: jamestnewsonr65 on February 03, 2017, 08:34:07 AM

Quick question which I am hoping will be a very simple yes / no.

I have a new diode board from Emerald Island which is designed to provide a better charging flow.

Does this need to be installed as part of an alternator upgrade also, or can it be installed on it's own?

Title: Re: Replacement Diode Board (Ei)
Post by: Bob_Roller on February 03, 2017, 09:01:33 AM

Yes, it can be installed without replacing any other components in the charging system .
Remove the battery cables before removing tbe diode board, there is a red wire that goes from the diode board to the battery, it's got power all the time .

Title: Re: Replacement Diode Board (Ei)
Post by: jamestnewsonr65 on February 03, 2017, 10:46:00 AM

I thought that it may be able to be replaced on it's own but also thought it was best to ask.

Thanks Bob.

Title: Re: Replacement Diode Board (Ei)
Post by: Bob_Roller on February 04, 2017, 06:05:51 PM

Did you upgrade to a newer style board similar to this ??


http://www.euromotoelectrics.com/BMW-R-Airhead-Heavy-Duty-Diode-Board-p/boalt-rect063edl.htm

Title: Re: Replacement Diode Board (Ei)
Post by: mrclubike on February 04, 2017, 08:15:26 PM

Or you can build your own out of Delco 10SI parts

Title: Re: Replacement Diode Board (Ei)
Post by: Barry on February 05, 2017, 04:13:13 AM

Quote

Or you can build your own out of Delco 10SI parts
                   

Nice job and if it was ever to go wrong you'd be able to fix it.

Title: Re: Replacement Diode Board (Ei)
Post by: jamestnewsonr65 on February 05, 2017, 04:53:55 AM

@bob_roller yes one of those types. Thanks for that's link I think helps having the wiring diagram.

Title: Re: Replacement Diode Board (Ei)
Post by: jamestnewsonr65 on February 05, 2017, 04:14:07 PM

So I tried to fit this today and it does not seem to tighten up and not move on the mounts. There is a bit of play when installed. Is this supposed to be used with the solid mounting kits?

Any info appreciated

Title: Re: Replacement Diode Board (Ei)
Post by: Bob_Roller on February 05, 2017, 04:27:22 PM

The board should not be loose when the fasteners are tightened .

Have the fasteners gotten tight and the board is not being held by them ??

Title: Re: Replacement Diode Board (Ei)
Post by: jamestnewsonr65 on February 05, 2017, 04:51:19 PM

Yes that's what seems to be happening. One thing it might be is that I think the ground bolts on the back might be fouling the case somehow. I'll have another look this week, when I get a chance.

Title: Re: Replacement Diode Board (Ei)
Post by: jamestnewsonr65 on February 07, 2017, 08:38:19 AM

Looks like the original bolts are too long to fix the new board up tight as the original had a thicker body.

I just used 5 washers on each of the bolts to make this fit fully in position.