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Old 09-28-2010, 06:38 PM   #11
Still on 3 wheels
bmwhacker's Avatar
Joined: May 2009
Oddometer: 4,468
Originally Posted by bpeckm
Sounds like it is getting a jolt of juice, which is then shut off and so the display fades away. Intermittent contact? What did you wire the power source to?
If I remember right I went to an unused "full time hot" spade fitting in the headlight board. I followed the diagram in this thread as a guide and then adjusted as needed to fit my 1974 harness. I had a junk BMW wire harness so any wire additions were done in proper color coding.
I was in awe when I activated the bike electrical system and everything worked and nothing melted. The bike had sat dormant for 10 years or so. And then I transferred the harness to a different frame with a later model engine. Had to rewire the 1978 engine to match the 1974 electrical system. Talk about luck....2000 miles later all is well and the battery charges.

When I disconnect the battery for whatever reason, the Acewell retains all the information and no re-setting is needed except for the clock if my memory is correct (which it often isn't).

Living proof you shouldn't play with matches
ABC# 1992

bmwhacker screwed with this post 09-28-2010 at 06:46 PM
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