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Old 07-21-2013, 09:24 PM
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funola funola is offline
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Join Date: May 2005
Location: NYC
Posts: 8,243
I'm not familiar with thr W126 "tach wire". Check that it has only one tooth on the harmonic balancer that the mag pickup is sensing. If it has 2 tooth, that could explain the high reading.
85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked
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