custom wiring on k20 Engine

[kistian]

I'm looking to do my own wiring on the car, made by me for simplify and identify better, use the stock and modify it it's a caos of shunts and cuts,...

I'm looking your scheme: http://www.hondata.com/images/k20awiring.gif and I have the following questions:

you suprime ELD, it's impresindible? what it do exactly? elminiate it affects the final power or funtionability?

You do not suprime something from A and B conectors such as B21, EVAP purge, I need to install it properely?

and the relay for O2 heater, from E8, it does not appear as used on european CTR schemes, the PRA ECU does not use it and when we implement a PRB ECU on our cars, it's not implemented in our schemes