FossForward Innovations Company Profile | Visit Website PO Box 952Grandville, MI 49468-0952Phone:616-821-7291 Products LLG-5 Engine Heater Tester Company Product The FossForward Innovations’ LLG-5 Engine Heater Tester is a two-in-one tool that tests both the engine heater and its power source extension cord. A specific amp reading removes the guesswork... Product • January 19th, 2011 Want to know more about this company? Click here to request more information about FossForward Innovations .