1990 Chevrolet S10 Blazer Q&A

1990 Chevrolet S10 Blazer Question: where are the heater core hoses located

where ae the heater core hoses located -
Answer 1
Usually located on the passenger side firewall, Two 1 inch outside diameter hoses going to the water pump area and intake manifold area -
Answer 2
under hood passenger side by windshield -