Image diagram for a heater core replacement on a 1989 Chevy suburban silver ado

[angelica.parker@ymail.com]

1500 series? If anybody has a manuel for a 1989 chevrolet suburban silverado 1500
series..could you email to me,the image diagram for the heater core (heater core replacement),Please?The vehicle that I'm working on,has fuel injection,and the size of the motor is: 5.7 liter. THANK YOU SO MUCH!!