Calibrating Speedometer

[Vaughn3031]

I have an older Stewart Warner Electric Speedo i'm going to be using and i does not require any calibration, however the instructions say the Odometer will need to be calibrated. It says 1mph is equal to 1000 revolutions of the Sender.

How do i do this?

 

[Longroof79]

I would think the odometer works in accordance to the speedo revolutions. You could try contacting Stewart-Warner and pick their brains.
So what you're saying is that it's a self calibrating unit.

 

[Vaughn3031]

The odometer has a seperate signal wire and I've talked to them and they say it requires a sender they no longer make. But wasnt sure if i could just run the same signal wire twice.

Here is a picture of the back