JCM, BV HARNESS, 

P/N 400-100027, WBA UBA EXT WBA/UBA

I/O CONNECTOR 20 POSITION RECEPTACLE PANEL MOUNT

LOT OF 10 = $18.99 each

Free shipping

We can also make custom harnesses using an equivalent to JST RPJ-20PRW, please send a sample harness, drawing or OEM part number
EXAMPLES...
400-100061 WILLIAMS
400-100029 IGT
400-100251 UBA USB

Thank you,
KNEXTEC 
Las Vegas