well iv looked for a mark 1 for years now and finally found one. All i got was the control box and coil cause i had plans to mod the mark 1 and didnt need the shaft. I still have some work to do on it. Rite now its running off of 2 9v batts and 2 AA's. the 9 volts are just hot glued in the bottom were the original shaft was. I plan on going back with all AA's to increase the run time on a set of batts. Im thinking of back lighting the meter cause i hunt at night bunch. I wanted to keep the red and black finish but the red was faded bad so i sprayed it bed liner. I also would like to find some original labels in better shape than whats on it now. Im also going to order all new capacitors for it. So hope this gives some one some ideas for a mod.