Exposed wire on injector plug

[87ChevyR10]

So, the green wire has some insulation missing near the injector plug for my TBI. I tried getting inside the plug, but only got so far. Is there anything I can do to fix this? Or can I leave well enough alone?

Thanks!

 

[Georgeb]

Liquid electrical tape?
http://www.homedepot.com/p/Gardner-Bender-4-fl-oz-Liquid-Electrical-Tape-Black-LTB-400/100119178