is good still get dim lights at idle Amp. ga. goes to 9-10 then works back to 14 + When under accelleration charging is 14. Heater is on, radio on, lights on, ocasionaly have heater on driver seat for a few minutes, Purchased a 875cca. batt. on sat. 12/8/07 with dual posts. Mounts with side posts which are clean. Does not draw down at any other time. Never noticed dimming in previos years.