about 1998 ford f150 heater core hoses location?

[baycitie]

ok well guys i have a 1998 ford f150 4.6 liter engine and i recently installed an amp so when i installed my amp i ran my 4 gauge wire tru the same location where the stereo antenna runs between the firewall my brother inlaw helped me the location of the antenna wire is located on the passenger floor close to the fuel reset inertia switch well yeah do you think it could have been possible that he yanked on a heater core hose from that location cause now i have a antifreezes leak in my cab and it is leaking allot of it i cant see in it so i don't what to do and also i don't want to pay for another heater core repair last one cost 800$ and money is really tight right now so can anyone tell me what to do before i pay another 800$ for a new one thanks for the help much appreciated