The oil is the gearbox can be(is) red/pink to start with as it is a Transmitssion Fluid (often ATF/Dexron III).
When water mixes with oil it emulsifies and turns in a creamy colour/consistency.
The gearbox does have a breather which can (in...
Usual and best place to connect in your landy is in the right rear under the cover there. And what ever you do do not use those devils inventions "scotch blocks" to link in.
This should help:
https://www.witter-towbars.co.uk/help-and-faqs/towbar-electrics-the-definitive-guide
To be honest, this diagram (or one similar) is all I have ever needed…
Hi, looking for some information about setting up electrics for a trailer. It's a 1997 defender 90. Any information would be appreciated. Cheers Michael