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Hello, I'm Jason. I will do my best to answer your question quickly and accurately using the information you have provided.
early or late 05? Meaning MkIV or MkV?
Also which climate control? Dials or electronic?
Early and dials
Ok, so MkIV, manual. Have you tried connecting to address 08 already?
Does it time out on connecting?
yes and no response from controller
Ok, that's what I figured, so full manual.
which means that address 08 doesn't exist in this one
what's going on with it?
System is full but clutch not engaging. car only has 125k miles
tried high pressure switch as well
In a lot of cases, the high pressure switch.....
does the AC button light up when you press it?
ok, let me take a quick look at wiring
2.0, I assume? BBW or BEV engine?
how are the fuses on top of the battery? Make sure the box isn't internally melted at all
excellent very clean
And fuses 5 and 25 in the panel at the end of the dash?
have you directly jumped the compressor to see if the clutch isn't fried?
no how do i do that?
Jump power to the green/white wire on the compressor itself.
You could have a bad cooling fan relay. You know that big silver box for the fan control and such?
yep ill try jumping
sounds good. Now I'm off to start pulling a Ferrari engine. The joy....
I'll convert to email format if you need to respond later
I put a test light on green wire and it blinks every 4 seconds. Whats up with that?
It was clutch. I replaced it and all is well