I lost my tach,speedo,temp and volt gauge. I ve changed the ESS and set it to .030 .I ve checked the fuse and changed the relay.I have ground to the gauges.I have 5 volts to two of the three wires going to the ESS (engine speed sencer) the third is a ground. I dont have agood wiring diagram I am lost. (PS this is on a 96 dodge diesel 5-speed) thank you.