b21ft to LH2.2

Whats up ya'll?

Trying to find the complete DIY to convert my b21ft to EFI. I will be using Dave Bartons harness and have already plugged the injectors and swapped intake manifolds. Underneath the dash the wires are completely exposed and don't really know where everything goes ( I'll try and reference my green books). Any input would greatly be appreciated.


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Not sure there is one comprehensive conversion guide, but the greenbook wiring diagrams are your friend.

In case you need some more reference material: www.ozvolvo.org/archive

I've done this myself and one item to save some time is that you don't need to rewire the fuel pump relay. You can leave the green kjet relay in place to trigger the pumps and put the white LH relay in the harness as needed (it just won't trigger the fuel pumps).

From Dave's website:
"An extensive 13 page PDF INSTALLATION GUIDE may be viewed here (0.8 mb pdf):
https://www.davebarton.com/pdf/HarnessLH2.2EZK.pdf"

I'd start with this ^^^ and ask questions here if the instructions aren't clear enough. Some of it is obvious, but some of the wiring differs year-to-year model-to-model. Flipping through the instructions, it seems to cover the wiring choices rather nicely.