Help with headlights

Hi Team,

I bought 1927 Model T Coupe, I got almost got the car running, I am having issue getting the headlight and horn working, both work if give power direct to lightbulb, If give power with switch is not working, any wiring digram can someone help me with it.

Captin S

Make sure that you have the correct bulbs.

Here is the wiring layout from the 1926 - 27 Ford service manual.

Here’s a wiring schematic: