10. To ensure a constant voltage for proper operation of the Shark Injector™, attach a high quality battery
charger (ex: Vector 1090A or Sears DieHard 71230, 310, 320, etc.) to the vehicle, at the battery itself,
observing all necessary safety precautions such as the wearing of safety goggles;
11. Turn charger on at a minimum of the 10 amp setting (20 amp setting if your vehicle is equipped with
Daytime Running Lights – DRL’s) and ensure that charging is occurring;
12. The importance of proper battery voltage cannot be emphasized enough. Failure to maintain proper
battery voltage throughout the procedure may result in an inoperable vehicle, where the only solution
would be the physical replacement of control modules at owner expense. Voltage below 12.5v as a
minimum can cause permanent failure. Owners should evaluate the age and condition of the vehicle
battery before proceeding;
NOTE: so-called “trickle chargers” or chargers that shut down after a certain period of time are not
acceptable. The charger must be on and provide a continuous 10-20amp charge throughout the procedure!