8mm black spark plug wire with a red tracer. This wire is sold by the foot. Non-returnable since it is cut to your specifications. U.S.A.
This harness takes care of the wires that hook up to the timer. U.S.A.
T-5030 This harness is for any year of T that does not have a starter.
T-5031 For cars with a starter up to 1925, and 1926-27 TT trucks you will use this harness. It also takes care of the right side lighting.
T-5031-B For the 1926-27 cars with the coil box mounter on the motor.