O/D blinking

[TDK]

hdj81(1997) has a blinking O/D light. How to diagnose.

 

[Malleus]

Use the FSM?

 

[Fj80oregon]

It’s a transmission code, use the FSM and follow the steps.

 

[alia176]

there might be a free FSM download link in this board somewhere.

 

[lelandEOD]

It’s a transmission code, use the FSM and follow the steps.

This is correct. I had the same thing when I had a severed wire to one of the shift solenoids in the transmission.