I will 100% agree to that, plus Halfrauds tried to sell me a Fascia (not required), and a female ISO -> female ISO as an "extender" because "i'll definitely need it otherwise it will be too short" - so I took it all back and they can FO.
Even with the standard ISO cables I can plugin fine, so not sure what they were on about.
Only other question I have is what is the best way for the power to be done (as in the red + yellow wires) - Currently it's at the default of red->red and yellow->yellow which means that it doesn't stay on when the power is off.
Am I to assume this is the best way to keep it? The only annoying thing I've found so far is that obviously to listen to music with the engine off I must turn the key once, but now looking back I can't even remember if that was standard or not? ( I don't think it was).