“Model T 1926-1927 Wiring Diagram with Starter” This is a 2-page wiring diagram. You can follow the wiring in your vehicle from bumper-to-bumper. Although the schematic is in black and white, the color of each wire is noted. The back of the diagram is a handy troubleshooting chart for common electrical problems. Measures 8 1/2 x 11. Year Application 1926-1927.