Wiring confusion MSD 8388 Distributor to a new harness

Hey guys so i got the 72 duster in the shop just bought a new harness with ECU capabilities to replace the older one as well as a new distributor

http://www.summitracing.com/int/parts/msd-8388/overview/year/1972/make/plymouth/model/duster

to go with

http://www.herbsparts.com/cart.asp?rp=http://www.herbsparts.com/products.asp?cat=919&pg=2

just not sure what to do with ECU piece since the distributor does not need once, would i just by pass it all together?, if they sold me the wrong part even tho i asked them and explained to the company 3 times what i was doing and the parts i was using lol. Thanks guys!