Grey plug- need help

[truth609]

Guys, i bought a complete electical system from a guy, was told it was 61x. Start assembling everything, there's no plug for the start stop switch, only this big grey plug. What is it from and how can i fix this? Thanks.

 

[Lumpy]

www.google.com/search?ei=kXyGWb3SLIzbjwTXmLmIBg&q=deutsch+connectors&oq=duetsch+&gs_l=mobile-gws-serp.1.3.0i10k1l5.5898326.5904055.0.5906323.9.9.0.2.2.0.341.1848.0j6j1j2.9.0....0...1.1j4.64.mobile-gws-serp..0.9.1422.3..0j41j0i131i46k1j46i131k1j0i67k1j0i131k1j0i10i46k1j46i10k1.cxvPjKHyWPk


They're called deutsch connectors.

 

[truth609]

So it looks like they are only differentiated by number of pins. Simple enough, thanks!