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Unknown Connectors

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Old 02-25-2007, 07:50 PM
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DonS
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Default Unknown Connectors

I borrowed a friend's digital camera over the weekend and shot these for your perusal.

The first is a 16-pin female under the pod (not connected to anything) -




The second is a 3-pin male connector near the vacuum 4-way (not connected to anything) -




The third is a 3-pin male pig-tail coming off the ECU connector (not connected to anything) -



Anyone know?

Thanks,
Don

P.S. Got the LC-1 and a 110V inverter for my laptop in this weekend; now to start tuning.
Old 02-26-2007, 09:59 AM
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DonS
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Bump. 34 Views and no replies? Surely I don't have the Rennlist community stumped.

I'm guessing that these are diagnostic plugs? You other L-jet owners don't have them?
Old 02-26-2007, 10:22 AM
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I think you are right for the second & third picture.
The first picture is after market IMHO.
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Old 02-26-2007, 12:12 PM
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Alan
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I believe Roger is correct - the first one looks likely to be an early phone system connector (typical of the type they used when car phones were huge & very expensive).

Alan
Old 02-26-2007, 01:28 PM
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DonS
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Good guesses Roger and Alan. Sounds probable. The first one does appear though to be factory-installed and IIRC mobile phone wiring pre-install was an option.

As to the other two connectors, no one else has commented if they even have them. No one has ever used them? Any ideas on what they'd connect TO?
Old 02-26-2007, 01:45 PM
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Randy V
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Connector in plug 2 by the 4-way vac may be the unused euro side-marker plug for ROW cars.
Old 02-26-2007, 07:22 PM
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I usta know, but then I forgot.
Old 02-26-2007, 08:19 PM
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If the second one goes to the bellhousing, it is a TDC test connector. The third is also a tester connector.
Old 02-26-2007, 08:52 PM
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JP Rodkey
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That second one looks like it belongs to the brake pressure circuit. Check the pressure switch mounted underneath the master cylinder. If that isn't it, might be the connector for the brake pad wear sensor, but I thought that had two circuits.
Old 03-16-2007, 02:44 AM
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Donald
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#1 is an aftermarket security device, it has a removable cap to complete the circuit. Have it on my Tahoe.



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