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brianrobins

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  • From
    England
  • Porsche Club
    No
  • Present cars
    996 Carrera 4S cab. Cayenne Turbo. BMW M5.
  • Future cars
    ASTON-MARTIN VANQUISH
  • Former cars
    BMW M3. Honda NSX. Ferrari 355 F1

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  1. Since I posted a similar question on this subject, I have come up with 2 possible solutions. However from reading the mail, there are some anomalies with the European car and the rest of the world, so I can only go by how my 2004 UK spec, built in Germany, car works. The UK spec alarm has to comply with our MPT1340 licence exempt rules for transmitters and thus are different from those used elsewhere. When I set the alarm and lock the car from the key, the front, rear and side repeater "amber" turn signal lights flash. twice on lock, once on unlock. (All our turn signal lamps are amber in Europe, and our cars dont have side marker lamps) Solution one is to find the output wire from the alarm module (under the seat) that sends the signal to do this. It can be high or low depending on the module make and car build year. If its low, move on to second solution. (it can be done, but its not worth the effort) If its high ie.+v 12v(nom) then cut the wire and insert a 1n2001 diode with the band downstream from the alarm module. Then you can connect the positive wire of a small piezo sounder on the module side of the diode. The other (neg) wire on the sounder goes to ground at a convenient point. DONE !!! The reason I say leave it if there is a low signal output from the alarm module, is because I don't have the wiring diagrams for all the alarm modules. I had a few issues with this on my M5 and and a Clifford alarm and they took a while to deal with. Solution two can be done under the front scuttle compartment between the windscreen and the boot (trunk) You will need a simple 12v single pole change over relay (Bosch, Hella etc) and a suitable sounder. This can be an alarm sounder but not the cars own horn. (Draws too much current) Find the output wire that goes to the front turn indicator, either side will do, and connect a single strand of wire from here to terminal 30 on the relay. Then connect the +ve side of the sounder to terminal 87a on the relay, and the -ve side of the sounder to ground. Next connect terminal 85 of the relay to an ignition switch controlled +ve supply and finally term 86 to ground. (best not to use the same ground as the sounder, unless its a vehicle ground point) Insulate terminal 87 on the relay. All connections should be soldered and heatshrink or self amalgamating tape applied for safety. What happens now is the turn signal output from the alarm will trigger the sounder but only when the ignition is switched off. I know there are other "solid state" ways of achieving this, but I think the "kitchen table surgery" method will give it more universal appeal. If you have a ROW car with side/parking light flash, you can still use these methods with appropriate caution. Perhaps Loren can help out with the wiring colour codes for the ROW cars. CHECK YOU UNDERSTAND AND KNOW EXACTLY WHAT YOU ARE DOING BEFORE ATTEMPTING ANY OF THE ABOVE. I WILL NOT ACCEPT RESPONSIBILITY FOR ANY FAULTS OR DAMAGE HOWEVER INDUCED OR CAUSED BY THIS MOD. IT WORKED ON MY UK SPEC, GERMAN BUILT 2004 CAR. NOW...Quid pro quo... I need to know where the jumper is to activate BOTH rear fog lamps on my car. Porsche fit bulbs and wiring on both sides but only the right side works on the RHD cars and only the left side on the LHD cars. My dealer says "run a wire across the engine compartment", but I am sure there is a neater, jumper or relay option somewhere..ANYONE KNOW ?? Cheers.. :beer:
  2. Hi..New member...Play nice Guys... I own a UK spec. RHD 996 C4S Cab with the switchable Sports exhaust. The default position at switch on is "sports" which sounds great to me but doesn't always impress, late at night if I start up and forget to switch it off before I do so. Does anyone know if it is possible to default the switch to "OFF" to save me from the torrids of abuse emanating from those strange people who do not see the poetry in a flat 6 without a silencer. Another nice to have would be a "chirp" confirmation that the alarm is set/unset as don't always hear the locks go and the turn signals don't always get my attention as I walk away. Finally, Has anyone found a way of adding a click or chime to the turn signal as I have been know to drive for some distance, with the turn signals un-cancelled, from a merging junction...very un-cool.
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