hey as the title says it is not working at all but everything else in the gauge cluster is working...... rpm, gas, oil pressure, but not the speed, i dont know what is wrong with it :1zhelp: i am about to check it out as soon as i am done writing this and my turbo timer is HKS Zero and it si not working as well, i dont know it turns on with the car and everything seems right but when i turn off the car it just counts down but the engine turns off :1zhelp: i am about to mess around with it too after this but any info or ideas is welcome thankz