Best way to find power drain

[Bluesman]

OK guys. My 88 is never w/o me by her side lately, maybe she is feeling alittle old and unattractive. I don't know I try to assure her she is the only one but you know how old beauties can get as they age, anyway mine seems to want my attention constantly. now it's a power drain. when I park her the next morning totally dead. Now I know all about the alarm drain but that takes days not hours. Where would you start to look for this culprit. She charges up fine I can drive her for 20 minutes after a jump and she will start on her own. As I have said many times I am not a mechanic but I am not afraid to get dirty and I am reasonably intelligent so any suggestions are welcomed.

[LouieD]

Make sure your battery is not the culprit. One you have determined that you could take a meter to the more common things, like interior lamps and the such. Another way to check would be to pull fuses one at a time. Until you stop the drain. Good luck.

[Steve M6]

You probably have a glove box or trunk light staying on.

Low tech way is to see if the bulb is warm from being on.

A more rigiorous approach is to disconnect the negative battery cable and put an amp meter in the circuit with the car off. Then systematically pull the fuses / relays until the current draw falls off. Once you find the offending circuit, then you have narrowed the search.

There are some very small loads that are nomal. Your current draw is at least 0.4 amps or more. (a 5 watt bulb draws that much power)