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Hi hi ive just come across this thread. I'm getting one of HR towbars fitted in the coming week. Does the towbar come with any smarts to tell the car to adjust its braking behaviour? Which is what an ECU does if I'm not mistaken
Greg: Very astute observation -that might explain why I have to keep getting into the passenger side to drive the car!
Seriously, whilst I consider myself to be somewhat of a "newby" where ODB2 protocols are concerned, my deeply held suspicion is that there is a hierachy of "tick" marks in the structure of the Golf's software. There are many folk on here that know a lot more about this stuff than do I, so it's entirely possible that I'm incorrect in my thinking.
Anyhow, in respect of your observation, I suspect that the entry for RH drive in the engine controller (my previous pic) is subserviant to the over-riding entry in the "Central Electronics controller". I've inclosed below a copy of the entry for the first byte of the "Elect.Cont" which clearly indicates where my steering wheel should be.
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I had a look at the towbar on Kevin_67 's post. It looks interesting in that it appears to have a detachable tongue (wouldn't it be great if we all had one of these?). A detachable tongue seems to be a good idea because there is no risk of inadvertantly knocking your leg on the tow bar. However, I'm not sure if the tongue will rattle when it is attached. The good thing about the HR towbar is that everything is screwed together, so no rattles. But it's easy to knock your leg into the tongue if you're not careful. The other great thing about the HR towbar (for me at least) is that it is a "standard" fitting tongue which meant that the modifications that I made to fit my bike rack were quite simple. But I acknowledge that these issues might not be so important to others.
Hi hi ive just come across this thread. I'm getting one of HR towbars fitted in the coming week. Does the towbar come with any smarts to tell the car to adjust its braking behaviour? Which is what an ECU does if I'm not mistaken
B c : does it look like the picture in my post #5?
Sorry, been busy. Yes it does (without having it in front of me to look at). Tested the bike carrier lights (after changing to a 7pin flat connector), and all good. Haven't towed anything but the rubbish bin so far.
You get what you pay for normally.
Kevin, the OPS should not beep. If it beeps someone did not code it properly for you.
HR agricultural technology was made obsolete in Europe about 25-20 years ago and none of the towbars get tested in the same way Westfalia does. That's why their towbars get highest safety ratings and come with ISO 14001 certifications.
There is a couple of companies on the market like Auto Hak from Poland which is cheaper than Westfalia but still much better than anything from HR. It does not rattle as well and its virtually invisible.
If I get a tractor one day, Hayman is the go Other than that, stick to Hayman Island
I had a Westfalia tow bar fitted in Adelaide last week and was told unofficially that the German made wiring loom is the same as the VW item but with a different name on it. Cost was a little under $1,400 and the ECU programmed as required. I need to find out if the reverse beepers should be disabled when a trailer is hooked up (mine still beep), otherwise it works as intended.
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