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Old 10-05-2012, 11:21 AM   #302
Beastly Adventurer
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Joined: Aug 2010
Location: Las Cruces, NM
Oddometer: 1,167
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.
ABC #12947
'75 R90S
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