I haven't had to replace a wiring harness but here's my thoughts.
$425 sounds expensive but it will look professional and it will save you a lot of time.
Others on the forum have purchased harnesses but they haven't quite fitted their vehicle. Remember it's a Land Rover and there is no clear date when things changed.
Can you source each wiring colour by the metre or do you have to buy a roll. You'll potentially end up with a lot left over if you make your own
Can you purchase all the correct terminals.
Tidying an existing harness is possible but you almost need a donor harness to get the correct colours for repairs. Wiring insulation may have gone hard & cracked so sections in the engine compartment may have to be replaced.
I've certainly considered making my own but it would be a labour of love and costly. Probably best to buy a ready made harness.
series 3 wiring harness
Colin
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