In California, an employer may not employ an employee for a work period of more than five hours per day without providing the employee with a meal period of not less than thirty minutes, except that if the total work period per day of the employee is no more than six hours, the meal period may be waived by mutual consent of both the employer and ...
The ignition 12v now goes directly to the coil (passing the tacho and collecting $200). Then run a sense wire from the negative side of the coil (the side that connects to the electronic ignition/distributor) up to the signal input of the RVC tacho. That's it.
Attach an 18 or 20 AWG jumper wire from the negative coil terminal to an engine ground. Attach positive (red) lead of your voltmeter to the positive side of the coil, and the negative (black) lead to an engine ground. Turn the ignition switch to the run position. Now read the voltage at the positive coil terminal.