Gun shop will need to order.
Try Anthony Sylvan search.
It depends on the model
You will need to contact the factory.
LOOKING FOR ASSEMBLY INSTRUCTIONS FOR THE FUTON I BOUGHT; MODEL FF4157SILS.
This would be a Browning Challenger .22 pistol made in 1970.
Would need the model to answer.
which wiring schematics do you need?
If you want an answer then you need to state the model number and the condition of the pistol. Also is it still working?
Would need to know the model to answer.
Will need model name to answer.
Need the name of the maker to answer.