1987 Mazda 929 Battery trouble. Help?

CKSisco

New member
Okay so I have a 1987 Mazda 929 and the battery keeps draining. I replaced the battery and the alternator is already ruled out as a problem. I've considered the solenoid, but the starter works fine. It'll start up fine, but when it idles, or even drives, the battery drains significantly fast. I was thinking it could be the phone car it has installed in it that's possibly draining the battery. Or maybe even the radio, but I've yet to fool with those. Also, I don't know if the Ecat or econo/power setting could make it drain faster being on one or the other. Any help would be appreciated.
I ruled out the alternator because it's been fixed twice now. But it actually could be. I was just told that it wasn't and that there was an electrical problem draining the battery, but I don't know what. Do you think it's possible that it's the built in phone or radio?
 
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