12-Pin Kostal Connector for 951 Diagnostic Port

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Tom
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Here are STL files for a block connector (by Kostal Kontakt Systeme) that plugs into 944 Turbo Diagnostic Port behind the glove box. This port has switched 12v, ground, ignition pulse, KLR blink codes, KLR knock signal, and more, making it quite useful for wiring in electronics without splicing into the harness. Perfect for making a plug 'n play knock counter on the 944 Turbo. The body is part #99965246340; and the cover is part #99965246240. Use these with the solder cup bullet connectors, part #99965244212.

12-Pin Kostal Connector Male Body.stl
12-Pin Kostal Connector Male Cover.stl

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#1

rbwies
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This is awesome! Could easily remix to be used on the other areas this style of plug is used (hvac controls, for example).

Do you know a good source for the solder cup bullet connectors? Definitely pricey, and definitely hard to find on my side of the pond it seems...

#2

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Tom
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rbwies wrote: Fri Dec 27, 2024 8:19 am This is awesome! Could easily remix to be used on the other areas this style of plug is used (hvac controls, for example).

Do you know a good source for the solder cup bullet connectors? Definitely pricey, and definitely hard to find on my side of the pond it seems...

Yes, easy to adapt these. I made the 14-pin main engine version from this one, and will post it soon. When 3D printed in ABS or better, they really are every bit as good as the originals at a fraction of the price. Be sure to print the top pieces standing on their ends. If printed flat, they are much weaker when flexing out to clip over the base part. When printed on their ends, they are strong like ox and flex out nicely. You can get the pins through any Porsche dealer. The males are part number 99965244212 and the females are part number 99965237612. Even though I'm in the US, I got new ones from Rose Passion out of France. They ship to the US as fast as any US supplier, at about the same cost. The cheapest way to get a lot of them is to just buy an old beat up harness. It's very easy to pull the old wires out -- just melt the solder and they slide out. Installing new wires is just as easy. I have not found a 'perfect' aftermarket replacement, but the "HXT 3.5mm" connectors shown below on Amazon will work. They are a bit shorter than the originals, but long enough to make a good connection. If printing the connector, you could also modify the thickness of the connector, where the pin goes through, to make these pins stick out more.

Kostal pin subs.jpg
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#3

nurtekin429
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thank you dude
Do you know the wiring for obd connector?

#4

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Tom
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nurtekin429 wrote: Sat Dec 28, 2024 4:03 am thank you dude
Do you know the wiring for obd connector?
Here you go!

carpokes-diagnostic-pin-out.jpg
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#5

Seriesmotorsport
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This is perfect, Thankyou! Saves me time having to draw it.

#6

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