17-08-14, 07:08 PM
(17-08-14, 06:35 PM)Ruby Racing link Wrote: I'm surprised nobody has mentioned the error code you may get by not using the OE speedo. I plan to get around this by running another white wire from the speedo pick up to the Igniter Box and the black/blue wire to the PickUp, so that the OE wiring set up is maintained. ..I've not been aware of that error, I never swapped dashes, sorry.
Speedo sensors usually require an external pull-up resistor at their white line to generate any signal (for the experts: an open collector output). Usually those resistors are located inside the dash. If it's missing ...
I would stay with the original speedo sensor and add a 4700 resistor between white and L/Y (without proof that it works). Maybe add another 4700 between white and ground (B/L) to lower the amplitude to the original 5V (almost). That signal should suit the Koso and the ECU.