i have a 92 Z-34 that has 205,000 on it,that want charge new alternater
and battrey for it and had it tested at autozone and thiers no output with the battery being fully chargerd.I also have replaces the 3 wires coming off the alternater . 1 going to starter the other 2 going to fuse box near radiater .ANY HELP !!!!!!!!! cars still runs good don't want to get rid of it.I also took alternater off and had it bench tested its good and batery is good also. is thier mybe a relay???

ok replaced all grond wires on battery and motor to frame grounds.Still not charging mybe to ECM.PLZ HELP