Install Instructions For Harman Wiring Harness Auto Ignition: 3-20-08727
Harman uses dedicated common wires (white wires) for all components with home runs to the control board. Components are turned 'OFF' and 'ON' by internally switching the signals at these wires. All of the white wires correspond to the colored wires respectively.
Position 1 - Brown - Power IN - Connects to black wire on power cord
Position 2 - White - Common IN - Connects to white wire on power cord
Position 3 - White - Distribution Blower
Position 4 - White - Combustion Blower
Position 5 - White - Pressure Switch
Position 6 - Yellow - Igniter
Position 7 - Blue - Distribution Blower
Position 8 - Red - Combustion Blower
Position 9 - Black - Auger Lead
Double Light Blue Wire - connects to pressure switch
Single Light Blue Wire - (1) Connects to igniter, (2) Connects to Auger