My battery drains out like there is a draw why?

Dan:
If the battery is disconnected, there should be no continunity or resistance unless you complete the circuit. Here is a how to for checking for a draw on the battery. Try it and let me know what you find. If there is a draw, simply remove one fuse at a time to determine what circuit is causing the draw so you can focus on that area,

https://www.2carpros.com/first_things/why_is_my_car_battery_dead_over_night.htm

Let me know what you find.

Hi, there maybe an oil pressure switch in the fuel pump circuit. If that switch is stuck in the closed position, your pump will run all the time. Number 8 by the distributor. 5.0 and 5.7

You probably have what is called a parasitic drain, that is there is a excessive draw on the battery from. One of the circuits. So you want to check the draw. You need to disconnect one battery terminal and install a digital ohm meter, set to the amp scale, in between the battery and the cable that you dis- connected. Don't have any accessories on and close the doors as to not add excessive draw. Your meter will read the draw on the battery and should be around 30 milli-amps on that vehicle. If the draw is higher than that, you need to determine what it's from. Set the meter on the milli-amp scale. If you set the meter to measure voltage, it will not tell you the draw as there is always a small voltage through the cable Then, one by one pull fuses and check for when the draw drops back into range and you have the circuit that has the problem.

The problem is with the radio fuse out it kills the speedo tach. fuel gauge ect. Find the constant power for the radio disconnect it and see what happens. This guide can help

https://www.2carpros.com/articles/car-battery-dead-overnight

Please run down this guide and report back.