power draw

Hello all, I drive a 1990 YJ with the 4.2 and 5 speed. Recently, the car has not even been cranking, yet the day before would start up and drive just fine. The dash still receives power, all of the gauges light up, the dome lights still work when I open the car door, and the headlights work...

1990 jeep wrangler 4.2L I am constantly getting a power draw of 3 miliamps on the battery from the alternator when the car is off. This is causing my battery to die in several days. I installed a new alternator thinking it was a bad diode, but still the same problem. If I unplug the voltage...