if it is anything like an 87, try removing the glovebox and look back to the left, toward the center console.
check the fuse or the ground on the heater
if i remember correctly there is a heater fuse behind the glove box. you need to pull the glove box to find it.
If you look under the passenger side dashboard you will find the heater motor ,attached to the motor is a fuse,check to see if the fuse is connected , or just replace the fuse , it worked for me.
Is the fuse blown? Are all the electrical wires to the switch connected? A new unit from an auto wrecker shouldn't be expensive.
The fuse for the heater and the CD player in Honda Prelude 1988 can be found using?æa fuse diagram. The diagram is available online and can be found by looking for '1998 prelude fuse panel diagram' on any search engine.
The blower motor resistor assembly is located under dash on passenger side.
Yes it does resemble a fuse and any auto parts store will have them in stock.
Fuse no 23 20 amps
in a shop manual available in any parts store.
fuse or relay most likely
Check for blown fan motor fuse.
there is a vacumm leak .