Originally posted by Maugan_VX
Oh and in my extensive experience with the 4L30E, the light starts flashing when either the fluid is to low and it starts overheating (although theres supposed to be an trans overheat light for that) or when there are electrical issues in the vehicle. Ever messed with the alternator? Aftermarket stereo?
never messed with the alternator... i did replace the battery about a month ago (actually, I got one at wal-mart and let them change it).
i just put a pioneer head-unit in last friday night... how would this cause a problem with the trans?