Speedo's off after manual/SR swap?

[S14DB]

Originally Posted by red_sir

Hi. I had an auto S14 240sx which I have converted to manual while swapping in a S13 blacktop SR. The speedo is now reading about double the actual speed I'm going. Is this because I need a manual speed sensor off a S14?

Any USDM 240sx will do I belive.

Originally Posted by red_sir

And it's the speedo that determines whether the speed it output in kmph or mph correct? Not the speed sensor? So I can potentially use a manual speed sensor from a JDM S14?

Thanks.

NO, the Sensor puts out a different signal for KPH. Get the 240sx manual speed sensor.