CB1300 ECU ECM CDI black box computer brain (38770-MEJ-641, 38770-MEJ-642, 38770-MEJ-671)
![](images/Honda-CB1300-KEIHIN-ECU-ECM-CDI-38770-MEJ-641-671.jpg)
We also need one of the transponder (chip) keys in order to test/repair this module!
We also need one of the transponder (chip) keys in order to test/repair this module!