So I got a good deal on most of everythimg I needed to convert my Z from Auto to 5 speed. So far everything works fine besides my speedometer. I have read from somne of you that there is the Alt/Transmission harness that has to be changed. Can anyone help me find out What does this harness do??? Like I said everything seems fine. Thanks
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90 NA- Converted from Auto to Manual - My300Z122:25:55 07/03/08