Locate the ALDL (diagnostic link connector) under the dash next to the radio pod.
The converter clutch (TCC) can be forced to lock by connecting the upper rightmost & upper leftmost terminals in the connector. It will cause the TCC to apply as the transmission shifts into second gear.
A simple toggle switch and some wire is actually a better deal than the paperclip because you can then easily lock the converter up after the third gear shift which is more desireable.
The paperclip needs to touch both terminals to complete the circuit. If you have tried that ,and it still does not work, you will have to troubleshoot further.