Chevrolet: 69 firebird, chevy spot, heater blower

Question
the heater doesnt work in our 69 firebird. my husband was wanting to know how to remove the heater blower? do you have to go through the dash or under the hood?

Answer
HI Cindy,
   I do the chevy spot and hot rods I do not wish to give you any wrong info,so go to the firebird/pont. section and there is a person named tom he will help you ok if you have any trouble get bak to me and I will do some looking for you.
Roger