On my recently acquired 1975 280Z, the heater system had a seized control valve (water ****) and the control cable was broken about  1-1/2" from the end.  I purchased a new control valve; however, I haven't had any luck with finding a replacement cable.  I still have the broken off piece of the cable and would like advice on the best way to repair this.  Also, it looks like it would connect to the black linkage piece.  If that's correct, which hole does it connect to?  The 1975 FSM doesn't seem