Complete colour wiring diagram

My mate has just taken delivery of a MOT failure`96 Disco 1 300tdi which will be the donor vehicle of many good bits for his beloved `89 Def 90.
First he is stripping down the Def and, with a galvanised chassis, will rebuild from the ground up.
Electronics being his weak point, he has asked me to ask the forum if anyone has a full colour wiring diagram which can be downloaded, or knows where to attain one please.
I have a Haynes for my `94 Def 300tdi if they are the same loom.

tell him to label every wire before removal that should make fings easier

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Thanx robint.......good advice I will pass on.
Mystery.....thanx for the info. It means very little to me, but I know someone who can decipher and hopefully download what we need.
If I tried to `burn` anything, I would crash and burn!
Thanx to you also.