Idris Posted December 15, 2012 Share Posted December 15, 2012 Putting a 3.9 efi from a 95 disco in to a 89 defender to replace a 3.5 on twin su carbs. I have the complete engine loom it includes everything including wires to stuff like starter motor, oil pressure switch, alternator etc all in one loom. Is it best either to fit the whole loom take it back behind the dash and from there connect everything and strip back existing wiring to there. Or is it best to leave all existing wiring to ancilliaries etc in place and only use the new loom for the efi bits? Which is best way to do this? Gerald Quote Link to comment Share on other sites More sharing options...
western Posted December 15, 2012 Share Posted December 15, 2012 the 110 main/dash loom is common to petrol; & disel models, the socket to plug in the petrol engine loom is already in the existing loom, IIRC the ign switch will need changing as well. the EFI stuff could be wired in with a seperate loom. Quote Link to comment Share on other sites More sharing options...
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