Cadillac Repair: no heat, volt ohm meter, heatercore

Question
1993 cadillac 4.9 upper heatercore luke warm lower hose hot but no heat inside plugged heater core ? how long to r+r

Answer
If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, Simple electrical schematics, Test procedures and picture locations of the components within the system that is causing you problems of which can't be done on this website which only allows one picture. I do not have a website so you will have to e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your vehicle.