i found the drain it said dtc 147 which comes back to a heater circuit in the 02 is bad.but why would this kill the battery.
slow drain on battery.
- Thread starter 99riodragon
- Start date
ok.i used the guide i found on mustang worlds how to do where it featured using the dash to read trouble codes and engine rpm and real time speedometer,so it said dtc 147.scroll down the page and it says 147 has something to do with the vehicle security system.any help.anyone else ran into this.im gonna disconnect the battery and hope it goes away.but i doubt it.
shockingly enough it turns out the battery all though 2 months old was so drained it was almost dead.so took it to auto zone and they charged it and ill see what happens in the morning.thank god its not an electrical gremlin.
you might want to check alternator output also
i checked the output at the alt and it was great.the battery hasn't died sense it got charged.
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