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BobM
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As the thread subject says mine's a 7945 but that was 18 months ago so I would guess they have new models out now? I'm probably selling my car soon and will probably take the TrafficPro out and sell separately. Where are you?
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Hi Gary, I'm no electrician either, humble doctor by trade :) I posted a few words and some pics about my install here which may help. I stripped back the cloth tape on the heater subloom for a few inches, identified the blue/black wire and double checked it was a switched positive. I then stripped the insulation off it and soldered a foot long piece of wire onto it, then an insulated female blade connector on the end of that. Reinsulated the wire then retaped the bundle so all looks nice and neat. If you get a suitable adapter harness for the head unit (A vauxhall one here in the UK is fine) you don't have to butcher the Porsche loom at all apart from soldering in the wire above. You could use one of those Scotchlok connectors but I hate them!
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Thanks again Loren, now got it sorted. As Karl says in the other thread there's a wire from the radio loom which disables the climate control unit. Cutting the wire to pin A5 on the TrafficPro solved that. I then took a switched feed from the blue/black wire on the larger adaptor plugged into the climate control. All sorted now. Great all in one solution - radio, CD, satnav, bluetooth handsfree and plays MP3s from a compact flash card. :D :jump:
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Thanks Craig, maybe it's worth me grubbing around in the centre console to see if there's anything in there I can use.
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This is one of the first things I tried - there doesn't seem to be anything under the dash with a switched feed. The lighter socket is permanently on (an I'd prefer to leave it that way fro a trickle charger if poss). The only switches in the area are the central locking switch and rear screen demist, and neither have a switched 12v feed. At the moment I have run a wire across under the dash which is taped up just above the fuse box waiting for me to work out where/how to connect it.
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Sorry to nag guys, but anyone help me out with getting a switched positve feed from the fusebox/relay board? Hoping to get it sorted this weekend. I had a quick look but couldn't work out how to get the fuse board off to get at the back, also would appreciate suggestions as to which terminal to take my feed from.
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Great, thanks for that, there was a wire there whose function I couldn't identify, sounds like disconnecting that should solve the heater issue. then I just need to work out the best way of getting a switched 12v to the unit ... I thought I had it cracked over the weekend as it looked like one of the wires was a switched 12v but then every time I drove the car it switched the unit off and on again ... that was the speedo signal wire! :oops:
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I can't find this. Where should it be? Certainly there are no other connectors on the same part of the loom. Yes, that's how the CDR23 worked, but what I'm saying is that the switching on and off of the CDR23 doesn't seem to have been via a simple switched positive. I know that, that's why I'm in here ;) UK. My car was (I think) delivered around August 04, so I suppose it could be an 05, but I'm pretty sure the dealer said it was an 04 - he checked from the VIN when I asked about the service intervals.
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Not sure whether you've misunderstood Loren - I've got power to the unit on A4 but my loom has no switched positive, so although I can switch it on and off manually it won't come on with the ignition. Also as I said in my first post when I turn the ignition on the heater/climate control unit doesn't come on till I turn the radio on. Methinks Porsche have started doing something a bit too clever in their wiring/logic systems.
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Hi Loren, Thanks for the reply. Yes, I had looked at that, but so far as I can see it only describes making up connections for the speedo signal and the reverse signal - both of those are already correctly wired in the loom ISO connector on my car. My loom connector lacks a wire for Pin A7 (switched positive) on the diagram on page 5.
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I'm replacing the CDR23 unit in my 04GT3 with a Becker Traffic Pro and it hasn't worked out quite as easy as I'd hoped. :( I've got it installed and working OK, but the wiring for the old and new units doesn't match, and my main problem is getting a switched positive to the unit. Someone's mention CAN-BUS as an explanation but it means little to a simple soul like me. The unit switches on and off fine, but obviously not with the ignition. A side effect seems to be that when I turn the ignition on the heater control unit doesn't come on till I switch the head unit on. However if I turn the radio off the heater control unit stays on ... I thought it'd be easy enough to find a switched positive somewhere near, but I can't, so I've run a wire over to the fuse box. Can anyone advise me the best place to connect this or if I'm missing some simpler solution?