2001 M 750 tach running backwards
Slowly working through sorting out my badly running M 750 and I've rebuilt the carbs (full of sediment with some water in the float bowls) and tested the coils and ignition system.
All checks out. Put it back together. Still running very rough, but now the tach wants to run backwards!
Looking at the wiring diagram I can't see where the polarity for the tach is connected into the loom.
Anyone know where I've gone wrong?
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