I am putting a C4 behind my I6, 3speed swap, and am unsure how to hook up the neutral safety switch. Anyone have any thoughts?

 

It's pretty simple. Mounts with two bolts (one on each side) and a nut in the center. It is located on the drivers side of the tranny. Look for the bolt coming out of the tranny that holds on the lever where your shifter linkage attaches and that fits into the center hole on the safety switch.

Wires run up the firewall and plug in where the harness comes through the firewall.

To get the safety switch properly set, there is a small hole on the side of the switch. Put the safety switch in place but don't tighten it more than hand tight so that you can still turn the switch. Put an appropriate sized drill bit in the hole and turn till the bit goes what feels like all the way through then tighten the bolts on the safety switch to hold it in place.

Be prepared to give setting the switch a couple of tries before you get it right. Only way to test it is to try and start the car. If it starts in reverse instead of neutral or something along those lines then it isn't right just yet....ask me how I know....

 

See attached picture. I circled in red where to attach the nss.

 

The round plug above the engine wiring plug is the NS switch harness.

 

I am missing something then. All I have is the wiring harness that is connected to the shifter with its plastic connecter. I see on the picture the two bolts etc, but what is it that I need to put there? When I look online for a NS switch it shows me the wiring harness basically but nothing that would connect on the transmission in that spot.

 

The neutral safety switch has nothing to do with the shifter, unless you mean the shift arm on the transmission. The metal box on the end of the wire in this picture is the switch, and it bolts to the transmission around the shaft of the trans shift arm.

 

Yes thanks I just realized I am an idiot. What confused me was the fact that I bought a used shifter off of Craigs list but just now realized it was for a 69/70 model and the NS on that year is different and mounted on the shifter. So now I need to know if I can make this shifter assembly work on my 65?

 

Holy poop! Sell that shifter and switch (separately might even be better) if the cable on the NS is not cut, that's a pricey part. Reason: The 69-73 FMX trans required a shifter-mounted NS. Ford discontinued them years ago, and now used FMX NS switches bring some nice change. You can probably sell that switch for more than the 64-66 shifter will cost you.