You can't, you need a source of electricity in which most forms today are classified as batteries.
Take the battery out.
Beside the battery.......cant miss it!
In the front driver side beside the battery .
its beside the battery has 2 connectors that plug in to it the smaller one is the trans computer
i found the computer located on the drivers side up under the dash
----this--- its beside the 0
Should be just beside the battery.
Under the hood beside the battery.
Starter solenoid, typical position for Fomoco cars.
beside the computer
Should go down beside battery to wedge it into battery holder
Should be beside the battery.