Recent content by gballanco

  1. G

    Battery getting weak

    My zd 21 runs well but if it is turned off after it warms up, it will not restart without cooling off first. Battery needs to be recharged after running for 2-3 hours. Drops from 12.8 to 11.6. Output from alternator is 18 V. voltage at battery drops after running a short time from 12.8 to...