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Old 10-04-2012, 08:46 PM   #301
bmweuro
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I made this to plug the ignition switch hole in the side of the headlight bucket for the Acewell mount I made. Works perfect for aftermarket headlight mounts.

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Old 10-05-2012, 11:21 AM   #302
craydds
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These are my modifications to bpeckm's wiring instructions:


This is the diagram for a model 4454:


I question how the Acewell speed sensor white wire will connect to the speedo. Connect white-to-black, or white-to-purple? A simple test connection should tell.
Also, I will connect the BMW blue (generator) wire directly to the Acewell unit, as Chris has suggested.
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Old 10-05-2012, 11:25 AM   #303
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I'm going to wire the one up on my R90/6 this weekend. I'll post my results.
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Old 10-05-2012, 11:27 AM   #304
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COOL! I'll get started, too, and try to make some really bad photos.
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Old 10-06-2012, 12:56 PM   #305
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Quote:
Originally Posted by bmweuro View Post
I'm going to wire the one up on my R90/6 this weekend. I'll post my results.
If you don't mind posting ur wiring diagram. I have a 90/6 and mine should be here weds. I order the 2853 with the tach cable.

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Old 10-06-2012, 05:19 PM   #306
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If you don't mind posting ur wiring diagram. I have a 90/6 and mine should be here weds. I order the 2853 with the tach cable.

Thanks
tete, what year is your bike? I know there is a wiring difference in same year models (R90S vs, R90/6). I have both bikes and both schematics. I am getting mine connected and will post photos soon.
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Old 10-06-2012, 10:43 PM   #307
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Mine is a 1975 /6

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Old 10-08-2012, 09:14 AM   #308
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My bike is a '75 R90S so the wiring may be the same as your R90/6. But I am installing an model 4454. I have some photos, will post soon.
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Old 10-09-2012, 07:22 PM   #309
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The first Acewell I installed had a black/white wire that was a switched hot wire. That in conjunction with the blue charge light wire everything worked fine.

On the 75 /6 I used the diagram someone here shared. On this model t does not have the black/white wire and it has a single black wire that goes into the headlight bucket and it not used.

Now I see why folks were having a hard time with the charge light.

Back to the drawing board.
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Old 10-09-2012, 09:05 PM   #310
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quick note on how I handled the charging light on my 1983 R80RT

After the board delaminated in my speedo I decided to replace it with an acewell 4553 for two main reasons
1. It has an actual needle for the tachometer, which I think looks badass
2. It also has a built in voltmeter function.

Instead of trying to wire up the hazard light on the acewell to act as the charging light, I just rely on the voltmeter readout.

But I still needed to connect the circuit. Some other ADVers have wired in a separate light and put it up near the speedo, In my case, I put in a small resistor that I purchased for a couple of bucks. I cut back the two wires that lead to the charging light and put the resistor where it is hidden underneath the tank. Been working great for a couple of months now.

I guess you could also do this with the 28XX series, but you run the risk of never know if anything ends up going wrong with it.

I'm out of town for work this week, but if anybody needs more explanation, I can find my modified Acewell wiring diagram when I get back and post a picture of it.
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Old 10-10-2012, 06:10 AM   #311
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Some other ADVers have wired in a separate light and put it up near the speedo, In my case, I put in a small resistor that I purchased for a couple of bucks. I cut back the two wires that lead to the charging light and put the resistor where it is hidden underneath the tank.
I have a separarte "idiot" light I might wire up, but your solution is simple and would work well for me since I have the stock BMW voltmeter to monitor charge. Motorrard Electric used to sell a resistor to wire into place, http://www.motoelekt.com/charging.htm , it would to easy to do. I could draw a crude wiring diagram on my Big Chief for anyone who needs to see how to make the connections.
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Old 10-10-2012, 07:37 AM   #312
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Originally Posted by craydds View Post
I have a separarte "idiot" light I might wire up, but your solution is simple and would work well for me since I have the stock BMW voltmeter to monitor charge. Motorrard Electric used to sell a resistor to wire into place, http://www.motoelekt.com/charging.htm , it would to easy to do. I could draw a crude wiring diagram on my Big Chief for anyone who needs to see how to make the connections.
I would love to see a diagram.
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Old 10-10-2012, 08:55 AM   #313
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I would love to see a diagram.
Got my crayons out, drawing up a diagram now. Will scan and post this evening (didn't bring scanner with me). Electronics technicians (electrical engineers, etc.) are banned from viewing any of my "diagrams".
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Old 10-10-2012, 05:43 PM   #314
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adding an "idiot light" or resistor:

tried to draw a wiring diagram. can't scan the entire drawing as a photo. must be the scanner. no way it is the operator's fault. I scanned the drawing as a document, which worked well. I can email the document, but don't know how to post a document here.
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craydds screwed with this post 10-10-2012 at 05:53 PM
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Old 10-10-2012, 05:46 PM   #315
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BMW wiring notes:
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