ignition wiring

[Retiredblade]

I just finish installing a double din Kenwood radio/gps unit in my Islander. I noticed that the ignition switch that National used is a 67-72 chevy gmc pickup switch. And on mine there is only three wires going to Three spade terminals. IGN, SOL, ACC. With 4 terminals vacant. Two BAT terminals and two others labeled G1 and G2.
putting a tester on the vacant terminals with switch either on or off, no readings.
I have no power getting to the ACC position. Both yellow and red wires going to the switch are hot and mated together. I would like to be able to switch to ACC and have radio come on but as it is now the radio is on without switching to ACC.
I hate to rewire, don't know if this is factory wiring or previous owner messed around. Anyone have a alive ACC position? Or any ideas?

[Retiredblade]

Made a mistake, three wires going to spade terminal SOL, IGN, and Bat, ACC, the other BAT, G1, G2 vacant. So ACC is not getting any power. I don't know if I would connect the vacant BAT terminal to ACC terminal if it would mess anything up.

[Theberrys]

Sam
Right click the file called "Chassis Schematic" at this link https://onedrive.live.com/?id=AE67FF...766057&group=0 and download the PDF. On sheet one lower left corner is the ignition switch in a Freightliner chassis. It should give you at least an idea of what your looking at.


Dick