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"First the OD isn't hooked up but the wire is all ready to be hooked up."
When you apply 12 volts to that wire (the OD solenoid), it should shift into OD after several hundred feet of travel. Ordinarily, the 12 volts to the solenoid goes through a tranny-mounted switch. This switch makes contact only when the transmission is in 4th gear.
In addition, you'll want a stalk-mounted or dash-mounted switch to turn OD on. So the current first goes through your switch and then trhough thebtransmission switch and then to the solenoid.
You can connect a dashboard "idiot" OD indicator light in parallel with the solenoid.
You should also connect a hefty diode (like 12-15 amps, or so) across the diode in the reverse polarity. That is, connect it so it does not conduct. (This diode will suppress the voltage spike that occurs when you switch OD off.)
If you decide to ignore the transmission switch, keep in mind that the OD will be capable of shifting when the car's in reverse -- and this can damage the OD ($$$). So try to incorporate that switch.
"Second the speedometer cable isn't hooked in I think it neds a special one cause of the OD."
You'll probably need a cable that's about 18" longer than the stock cable.
When I installed an OD transmission in a '75 245 (which came stock with a 4spd tranny), I used a cable from a junked automatic.
--
Don Foster (near Cape Cod, MA)
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