That matches black on left looking at back of bulb, my pic. Oldmanuals for 46 truck shows BLK natural, GRN natural and natural. What the heck is natural? Neutral? and they call everything a "tracer". I think maybe tracer and crossed tracer means striped (two color or ridged)
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
| 
