R1200RS + R1250RS Forum
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Thu Mar 12, 2020 10:55 am
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In my search for a way to connect an additional 12v socket, without cutting the original wiring harnass, I found a socket. The standard accessory socket is occupied by my NAV V cradle, and the connection harnass I bought at my BMW dealer is supposed to plug in there. The additional socket I found is near the steering head and tiewrapped to the the main wiring. It has a cap on it that hides two pins. Does anybody know what this socket is for, and possibly a way to connect to it? |
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Zitat von Donderkat im Beitrag #1 When the cable for the satnav is installed at the factory or dealer, then there are two connectors at the bike end of the cable. One is a three pin connector which sends 12V and ground plus a data feed to the satnav, and the other connector is an analogue audio output from the satnav. The three pin connector plugs into a matching socket on the bike's wiring loom, and the two pin socket is normally blanked off and tiewrapped somewhere nearby. This 2 pin connector is unused except on RT models with an audio system installed, where it is used to route the satnav audio output through the bike's speakers. Note that this audio output from the satnav is only live when the Bluetooth output from the satnav is turned off, otherwise it goes via Bluetooth to the rider's headset. In your case I am not sure if the two pin connector you are referring to is the audio feed from the satnav, and presumably if you installed the satnav cabling yourself, then you will not be confusing this with something emanating from the bike's cabling. Fred |
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Zitat von Donderkat im Beitrag #3 If you want something that is reversible then fit a piggy back fuse to the blade fuse under the rider's seat. There are 2 of them, one switched, on always live. The 7.5A fuse is the switched one. I have done exactly this |
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Zitat von Donderkat im Beitrag #5 works well - I used a 12V socket with 1.5m lead bought from ebay. I took my positive lead from the fuse and then attached the negative lead to a convenient bolt into the frame. I loosened the tank cover panel, ran the wires along the left side of the tank and I have a loose socket at the bars. This can extend into my tankbag to power a phone and my non BMW satnav. |
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I wish I’d read this before visiting my local motorrad dealer to buy a bmw usb socket. The tech there checked the wiring diagram for the r1200rs and confirmed the spare plug on the sat nav loom was accessory power and that the usb socket for the r1250rs would fit it. It doesn’t! Now I know why…. |
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