replace your heater hoses going into and out of the heater core. One of them is probably split.
The 1989 Honda Accord blower motor relay switch can be found on the firewall in the engine compartment. The blower motor relay switch will be on the passenger side of the firewall.
It is the panel between the engine compartment and the passenger's compartment.
The diagnostic connector on a 2001 Honda Accord can be found in the engine compartment. The connector is located on the passenger-side in front of the firewall.
The OBD port on a 2002 Honda Accord is located on the engine. There are other vehicles that have it on driver side of the dashboard.
The 1991 Honda accord blower motor resistor is located on the firewall in the engine compartment. The blower motor resistor will be on the passenger side of the firewall.
In the Master Cylinder mounted on driver's side near firewall.
On the top of the dash, driver's side, next to the windshield, inside the vehicle. Try looking at the firewall.
Right side of engine close to the driver
Looking at the engine - closest to the driver's side
The 2011 Honda Accord has an inline 4 engine.
The 2005 Honda Accord has an inline 4 engine.
The 2003 Honda Accord has an inline 4 engine.