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Discussion Starter · #1 ·
Evening all..

I have a dilemma regarding my audio setup, and I am hoping that *somebody* out there may have some insight so as to assist.

The short version is:

The clowns that call themselves 'mechanics' at a close-by dealer had cause to pull down my 01 LT - specifically to rectify some improperly done service work (by them). In the process they had to remove the radio control unit on top of the tank.

During the removal they identified an extra wire going into the control unit from the main wiring harness. This wire did not appear in the BMW instructions on how to remove the radio control unit, so they decided to pretend it was not there. After the application of a considerable amount of force, the additional wire came free from within the radio housing, thus allowing them to remove the control unit.

Come re-assembly time there was one wire too many (in terms of comparing the situation to the workshop manual) so they just poked it out of the way, and marked my service documents 'Radio not working on initial diagnosis'. Of course, it had been working when I dropped it to them, but that is a post for another day. (after I read up on defamation, slander and libel in Australian law)

My bike configuration is:
K1200LT 2001 model.
Radio system.
Cassette player under the stingray on the tank
six cd stacker in panniers (bmw accessory at time of purchase)
BMW GPS (accessory at time of purchase) audio through speaker system on bike.

All stock standard.

My question for the hive mind is:

Does anybody have the pinouts from the multi-connector on the back of the radio cassette unit.

I cannot tell from which pin the additional wire has been torn free by the gronk at the workshop, because the female receptacle is still attached to it. Examination of the plastic housing does not reveal many clues as to which hole it was ripped from, either.

There are only four vacant spaces on the multi-connector, I have tried one of them already, so i am down to three. Trouble is, I don't want to fry anything. The wire is quite fine, so I suspect it is data or switching only, but thought I might try here first.

Nett effect of the ripped free wire is that there is no power to the radio control buttons, no lights, no sound. The GPS announces through the speakers just fine so the fundamentals seem to be in place.

I can do some pix should anyone think they would be useful.

Any / all assistance gratefully received, and thanks in advance.

CP
 

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it would help if you could fill in your details, you mention Australia so i assume its a European bike? there maybe some differences, I have a 2002 and it is is stripped down at the moment might be able to help
 

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Discussion Starter · #3 ·
Hey Linton..

Thanks for the response! I am pondering the situation and am of the opinion that the easiest approach is to firstly compare my connector against your connector. If yours has one more wire in place than does mine, it would seem likely that we have found the culprit.

To that end, I have included a pix of the plug-side of the connector. You can see the female pin receptacles in place. How does this compare with yours?

Over to you...

CP
 

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Wrencher Extraordinaire
2005 K1200LT
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May need help translating but it is all here.
 

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ok I have one more wire than you it goes in pin 4 I can't post a picture there is something wrong with the site I can only type in the box nothing else works
 

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2005 K1200LT
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That looks to be an input to mute the radio if you get a phone call (as best I can translate). The factory diagram for the radio does not show any connections to pin 4 but then it also does not show the VOICE II connections either.

From the VOICE manual: "Radio output and wireless connections are faded out while telephone calls are in progress."

I suspect that wire is part of the VOICE installation.
 

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thanks John well CP' that's about the limit of my knowledge
Linton
 

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Does this help? (See attachment.)
Your bike configuration is very similar to the 2000 K12LT I had.

I am sorry to hear about your trouble. A few weeks ago, I did visit Melbourne and ride a Wee-Strom rental. It was fun - it's sad to find that incompetency rears its ugly head even Down Under.

Good luck. Robert.
 

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Discussion Starter · #9 ·
Thanks heaps to everyone that participated in this. In particular Linton and Robert - it never ceases to amaze me how much information people actually have on these machines. Problem still not resolved but I definitely have sufficient information to get through it. I suspect the gronks at the workshop have done some damage to the wiring harness - there are signs of crushing that are new. If this proves to be the case methinks I will be riding in silence - the cost of replacement components is frightful - and let's face it - 12 years out of date technology wise.
 

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Which dealer/workshop, what state/area?
Help us know which ones to avoid.... if ever we get stuck and can't fix things ourselves (which a lot of us are trying to do), don't want to take it to the "gronks", and there's a few of them out there!

BTW, good luck sorting it...
cheers
 

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Thanks heaps to everyone that participated in this. In particular Linton and Robert - it never ceases to amaze me how much information people actually have on these machines. Problem still not resolved but I definitely have sufficient information to get through it. I suspect the gronks at the workshop have done some damage to the wiring harness - there are signs of crushing that are new. If this proves to be the case methinks I will be riding in silence - the cost of replacement components is frightful - and let's face it - 12 years out of date technology wise.
I would try to resurrect the machine as much as possible. The OEM radio has two great features: handlebar controls and speed-controlled volume. Especially, the latter: no blasting deafening music when you slow down to fill up with fuel!

Keep up posted with your experimentation. We'd love to help. I do understand that your riding season has just started; but, when it gets too hot, rip the bike apart and start checking it out. Normally, with the handlebar controls and aux input disabled, the radio should work.

There is someone here in US (or UK?) that rebuilds the original BMW radios. Search them out here and send them an email. They may have a free hint on how to get the radio up and running in bare-bones mode.

Good luck! Robert.
 

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Discussion Starter · #12 ·
Afternoon all..

firstly - thanks very much to all those that have contributed to this. I tend to agree with Robert that the most desirable outcome would be to repair the system rather than replace it with an alternate setup.

I got a PM that has pointed me to a dealer in Melbourne Australia, who specialises in Becker systems. I am exploring that avenue at the moment - the fact that there are about 4,000 variants of the BMW radio systems (car and bike) makes this a somewhat laborious process.

Muddying the waters is the fact that the unit was working just fine prior to the gronks working on the ABS pump. The GPS still talks through the audio system so the end components are still operational. The only clue is that the buttons above the stingray are not illuminated, and the display is blank. It briefly backlights on power-on, but no display. Fuses intact, power available at connector, ground wire intact, speaker impedance nominal all speakers, multi switch functional. Voltage on MUTE pin seems high but could be due to fact no load was present due to absence of radio unit.

F.I.I.K. what the problem could be. (acronym for "I dont know")

I will keep the thread alive until I get a result from Melbourne, and advise the brethren of the results.

Regards who the gronks are: If one has a K series BMW on the Gold Coast Australia, you would be dismayed to find that the authorised dealership there does not have any BMW trained mechanics. Like an apprentice gynaecologist, they are happy to take a look at it for you, but they dont have any specialised knowledge. Should you require specialist assistance, your bike will be put on a truck, taken to the dealership head office in Brisbane, where their single K bike trained technician will take a look at it for you. In the last twelve months, my bike has been in the workshop at either the Gold Coast or Brisbane for nine months. (Note - once the bike went to Brisbane repairs were eventually carried out correctly. More than $2700 was charged back to the Gold Coast dealership in labour and parts to rectify the faults of their mechanics)

There is a BMW shop at Ballina NSW - about 80km south of the Gold Coast. They have picked up scores of furious and disgruntled customers from the ailing Gold Coast dealership, and have a very good reputation. They have even gone to the trouble of training their technicians at BMW. Going to give them a whirl next...

Watch this space...

CP

PS - Robert it ain't never too HOT to go riding!! I marvel at the riders that go out in the SNOW. It hasnt snowed here (where I am) for about 200,000 years so I am pretty safe on that count.
 
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