WIRING DIAGRAM OLDER FURNACE BLOWER RELAY

How to Wire a Blower Motor | Hunker
Using the wiring diagram for the unit that holds the blower motor, it will be possible to identify the fan relay as well as the various speed terminals and terminal locations if the motor is multi-speed.[PDF]
Nordyne / Intertherm 5 Wire Blower Relay Box 901995
5 Wire Blower Relay Box 901995 Instructions . Gas and Oil Furnace - Blower and Relay Installation Instructions For NORDYNE Models MG(H,B)A, MM(H,B)A, Wiring Diagram - 2 WIre Heating/Cooling Thermostat 8 S 3. Open the relay box cover and locate the blower