gdpm po sa lahat, ask lang po if anyone here installed a digital tachometer(with red, black and yellow wire)in their nissan efi? where do i install the yellow wire which is supposed to be connected somewhere sa 2 wire sa efi ng engine. nasira na po kasi dati ang computer box ko when i tried to connect it myself kya nadala na ako. when i try it sa banawe medyo kinakapa din nung nagkakabit kaya pinatigil ko na lang. HELP PO PLEASE......