Lex4TDI4Life
Top Post Dawg
Howdy!
In the course of cutting my beloved Golf up for a Smyth Ute Conversion (build thread here: http://forums.tdiclub.com/showthread.php?t=503316) I have found a way to keep blowing Fuse 14 (and only fuse 14), which pretty much shuts down all the central locking, windows, interior lights, etc. because it feeds the Comfort Control Module ("CCM").
I have gone through the harness going out to what used to be the hatch and patched some spots where wiring insulation has broken. I also covered in electrical tape any connections I will not be using (e.g. hatch release actuator connector). I have removed my headliner for re-lining and have similarly checked the interior light connections for breaks in the insulation and taped off any exposed connector ends. Fuse 14 keeps blowing. Grrrrrr....
To aid my diagnosis, I removed one of the two connectors at a time from the CCM and placed a fuse back in. Only connecting the blue, 23-pin connector causes it to blow, so I can narrow down my leads for a short in the system. This also leads me to believe that the CCM itself is ok.
I really want to avoid tearing apart the harness any further until I know which wire is shorting. I have a Bentley with wiring diagrams and have invested in an electrical diagnostic tool in hopes of hunting down the short causing this. Sadly, I am an electrical dumb dumb and I have questions that I would greatly appreciate help with:
Again, electrical is one of my many Achilles heels (oddly, I have more than two), so any guidance would be MOST appreciated.
TIA,
-Lex
In the course of cutting my beloved Golf up for a Smyth Ute Conversion (build thread here: http://forums.tdiclub.com/showthread.php?t=503316) I have found a way to keep blowing Fuse 14 (and only fuse 14), which pretty much shuts down all the central locking, windows, interior lights, etc. because it feeds the Comfort Control Module ("CCM").
I have gone through the harness going out to what used to be the hatch and patched some spots where wiring insulation has broken. I also covered in electrical tape any connections I will not be using (e.g. hatch release actuator connector). I have removed my headliner for re-lining and have similarly checked the interior light connections for breaks in the insulation and taped off any exposed connector ends. Fuse 14 keeps blowing. Grrrrrr....
To aid my diagnosis, I removed one of the two connectors at a time from the CCM and placed a fuse back in. Only connecting the blue, 23-pin connector causes it to blow, so I can narrow down my leads for a short in the system. This also leads me to believe that the CCM itself is ok.
I really want to avoid tearing apart the harness any further until I know which wire is shorting. I have a Bentley with wiring diagrams and have invested in an electrical diagnostic tool in hopes of hunting down the short causing this. Sadly, I am an electrical dumb dumb and I have questions that I would greatly appreciate help with:
- Would merely having items unplugged (lights, hatch release motor) trigger a short?
- If the other connector going into the CCM does not trigger a short, could it still be a bad CCM?
- There are a few fuses that feed to/from that 23-pin connector: Fuse 14, Fuse S111 and S144, Fuse 37. None of these other fuses appear to be blowing. Are there components that specifically feed Fuse 14? This wasn't obvious in the wiring diagrams.
- Would I be able to trace the short by placing the probe into the individual contacts in the 23-pin connector if there is another switch or module in between? I am thinking of the interior lights. There is an interior light module that feeds into the 23-pin connector, but the individual lights sit on the other side of the module. If the short is between the light and the interior light module, will it show at the 23-pin connector into the CCM?
Again, electrical is one of my many Achilles heels (oddly, I have more than two), so any guidance would be MOST appreciated.
TIA,
-Lex