BROWN WHITE Striped wire from the Ignition switch Burnt what can cause this?

[72blazerblue]

Originally Posted by VetteVet

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It is probably already routed to the fuse panel unless you didn't have one in the first place.

That is what I am confused about. Since this truck did not have ACC on original ignition switch, there isn't a 12G Brown wire in the wire loom.
That is why I was unsure of two things:
1. If the brown/white wire still joins to the brown wire on the ACC position of this new style plug. (You said yes, but where would it have joined originally on a 67 style plug that didn't have an ACC wire?)

2. The plug I replaced did not have the brown ACC wire, new one does. So there is no brown wire from plug to fuse panel. If I extend brown wire from plug to fuse panel, where does it connect and will that make the ACC position work correctly?