Originally Posted by
lunaticfringe
with fully charged battery disconnect the negative cable. using a multi-meter set on DC AMPS connect one meter lead to end of negative cable and other lead to negative battery post. a constant current draw of more than approx. 1/2 amp means a problem and eventual dead battery. this test done of course with ignition OFF. start removing each blade fuse individually...then each relay. watch the meter for change. when it changes you've found the circuit with the excessive drain on the battery.