LITTLE KNOWN FACTS ABOUT TOYOTA 4AGE.

Certainly concur, 1st points to start with be sure your alternator is in fact charging the battery and you're having close to 14V (make use of a multimeter). Also ensure you're connections and grounds are all making superior Call.The alternator will apply 12V on E2 so there's no a lot more ground to the battery gentle, only 12V. And so the battery