Check for a sickly sweet smell. The heater core is probably leaking coolant into the floor. The core is not repairable but can be replaced.
Heater. Core
remove dash from 62 chevy
Underneath the winshield cowl, drivers side
just pull the switch board out then there is a cable in the board just pull it out to diss connect it
Replace the paulse board that's attached to the wiper motor.
passenger side. open the passenger door, look on the side wall that is covered when the door is closed.
The rear tail light assembly had problems with the sockets and circuit board. My guess is you will need to replace the socket and circuit board assembly for the passenger side rear tail light.
Answerremove the lower dash on the passenger side. This is not a fun job.
The problem may be the BLOWER MOTOR RESISTOR. This part is pretty hard to get to, it located on passenger side, on the floor up against the fire wall. It is approx. 2 1/2" x 1 1/2" and looks something like a circuit board.
Stopped up condenser drain line, unless this water is coolant. In that case it is a leaking heater core. Coolant tastes and smells sweet. Crawl under the car and look for a drain line on the passenger side, near the firewall. Clean this out with a blunt pencil.
Look at the ends of the dash board with doors open little access panels -------------------------------------------------------------------------------------------- There si also a fuse block under the hood. TechJK
Look on both ends of the dash board with doors open you should see 2 access panels for fuse boxes