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Discussion Starter · #1 ·
I gave my supra in to my mechanic to hook up an RSM. Something that should be quite easy to do.

When i went to pick up the car he said there was a problem...... he was NOT getting a speed pulse signal coming from the wiring to the ECU. So therefore i cannot get a speed reading on the RSM.

What i want to know is, where is the 1st speed signal sensor located and is it easy to run a new wire from that up to the ECU ?

Also, could this be a reason why my o/d light keeps flashing ?
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