3 wire hall speed sensor with brown, blue and a black wires. Which is 12v,which is signal and which is earth please?
Like a numpty I cant find the instructions
Thanks,
Steve.

My Hamlin unit is as per
http://www.hamlin.com/specsheets/55075%20IssueAE.pdf

It has red which most likely replaces your brown.

Worth a shot.

quote:

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Originally posted by the_fbi
My Hamlin unit is as per
http://www.hamlin.com/specsheets/55075%20IssueAE.pdf

It has red which most likely replaces your brown.

Worth a shot.

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hi
brown =12v +
blue =0v earth
black switch wire to speedo

Many thanks,
Steve.