3- is the main wire harness showed in step 6 standard in factory installed radios in the 89 Corollas,which seems different from what I saw shown in other "how-to-replace-the-radio-in-a-Corolla" instructiones.
3- is the main wire harness showed in step 6 standard in factory installed radios in the 89 Corollas? It seems different from what I saw shown in other "how-to-replace-the-radio-in-a-Corolla" instructions.