nycitychef

first the details 85 gslse with a 86-88 motor with a demon carb set up msd ignition electric fan relay new working as it should new battery new battery wires all fuses have been changed new coils replaced old ignition



this is driving me insane because i cant figure out what is wrong , i swapped my alternator for a 1993 gm 105 amp its connected accorting to write up now the problem is when i turn car on it doesnt give a full charge i got a new alt and factory plug , i got to open the hood and disconnect plug from alternator and plug it back in once i do that alternator gives a full 14-15 volt charge what can be wrong with this scenario ???/

your help is greatly apreciated