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rather than start a new thread- I should probably ask here-
My BJ42 (3B) had its tacho removed at some point-
the PO recently got one from a wreckers and put it in, but didn't get it working yet. he has plugged it straight into the waiting socket behind the dash. The light comes on inside it, but it doesn't actually work.
Question- where does it actually pick up from- what sort of connections should I be looking out for that are missing?
I will try to get some photos up tomorrow of some of the suspect wiring.
together with the advice i have gotten on this thread I started,
your pictures and description have made it very clear.
As i have just got home and had time to check- unfortunately I can see that I have no tach sensor/sender...
just a hole in the bellhousing like in your picture.
I guess I will have try to source one.