Originally Posted by
mickey1
Maybe no help to you..... but I am in the process of installing aftermarket tacho, speedo, water and fuel on mine. Tacho was driven by pin 2 from the ecu. My tacho accepted a ecu input to drive it. All works good. All I know about the tacho was some people had to use a pull up system to increase the signal power for some guages.
Speedo not attempted yet due to I have one chance to program it. But it is driven from two wires from the gearbox. Red and red/? (This is from memory) in the manual the speedo is driven from these two wires then another wire comes out to a feed into ecu.
I dont think the abs has anything to do with the speedo. I have rebuilt all the wiring from scratch and certainly didnt see anything that connects the speedo to the abs. But like I said I haven't tested my speedo yet.