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Where or what is this supposed to be connected to?

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Old 02-14-2014, 03:24 PM
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Austin87
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Default Where or what is this supposed to be connected to?

It is an 87 924S . I am under the dash and noticed this clip ( circled ) is not connected to anything . Anyone tell me what this is and where it goes? I do not see a "male" plug nearby yet.

Thanks, Austin
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Old 02-14-2014, 04:18 PM
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Austin87
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This is my "Plug connection for speed sensor" ..but cannot find anyplace to plug it in to . Is this just for diagnosis or is mine unplugged?

Help? or no?

...
Old 02-15-2014, 01:37 AM
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Austin87
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Skip it. Will look to find people who know.
Old 02-17-2014, 12:25 PM
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Austin87
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Was my questions too basic for the Porsche tech forum, or do the none of the 58 people who viewed this question that own these cars just do not know ?
Old 02-24-2014, 04:01 PM
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JosephK
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I also didn't receive any answers about my connector either (speed and reference sensor connector). One would pray for a better response. I'll take a look at mine and see if I see anything like this and get back to you. Won't be for a day or two.
Old 02-27-2014, 03:20 PM
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JosephK
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At that location, it looks like the one with the dark end is a "Plug for characteristic-map switch" and the one with the light colored plug is a "plug for variant switch".

According to the manual I have, these plugs are used in California and Japan on cars with catalytifc converters with coding connector 944.612.525.01

Vehicles w/o cats use resistance adapter 944.612.421.00

It seems they're used for performance mapping the DME control unit during its coding.
Old 02-27-2014, 03:26 PM
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JosephK
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I'd be careful with these plugs as I'm a rank novice and it looks like different years of the 924/944 series used different coding part numbers. I think this is due to the evolving state of the electronics systems dueing these particular production years. For example, my 87 924S has no "check engine" idiot light that mayby some later models had.

I wish mine did because a year or two later on a couple of models, there's a key/accelerator pedal sequence that can be used to retrieve error codes by counting the flashes of the idiot light..... Oh well. My car still won't start w/no spark from coil. dohhhhh. Gotta be something w/DME system.
Old 03-04-2014, 04:06 PM
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Shurick
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This plug and white one which must be somewhere near are the coding plugs for ECU:



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