Check fuses and use multi meter and disconnect ur negative terminal on battery and place the multi meter red on the negative and the black on the body (earth) to test for parasitic drain if it multimeter reads more th a. 03 u have a parasitic drain u will have to then test ur wiring around the car to see what is draining ur battery by pulling fuses till the multi meter reads below .03 then look up with fuse and replace that part
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Check fuses and use multi meter and disconnect ur negative terminal on battery and place the multi meter red on the negative and the black on the body (earth) to test for parasitic drain if it multimeter reads more th a. 03 u have a parasitic drain u will have to then test ur wiring around the car to see what is draining ur battery by pulling fuses till the multi meter reads below .03 then look up with fuse and replace that part