when the light flashes it means the overdrive module isn't working. on the tranny there should be a plug connected to the tranny, disconnect it, and you should be able to drive, however, you're only good for 3 speeds until the module's replaced.
1999 Ranger 4.0 Liter 4X4 Automatic. Fluid level is okay and clear. No
> noticable noise.
>
> Early today at 70MPH my OD lite started flashing. Ten miles later I lost
> all motion. By turning key all the way off and restarting I could creep
> forward 50 ft. or so then tranny again stopped working. I did this several
> times until I was off the hyway. No reverse at all.
>
> Can anyone guess at what has happened? Any reply is appreciated. >
> Larry
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