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-   -   C2 decklid additional switch? (http://forums.pelicanparts.com/porsche-911-technical-forum/361933-c2-decklid-additional-switch.html)

bigpino 08-14-2007 06:59 AM

C2 decklid additional switch?
 
I really put effort in it but failed to find the right info. I got a working original speed sensitive control unit (964.618.212.00) for my C2 decklid. The question is: does this control unit provide for an overrule switch?

Pingo 08-14-2007 07:02 AM

Quote:

Originally Posted by bigpino (Post 3425926)
I really put effort in it but failed to find the right info. I got a working original speed sensitive control unit (964.618.212.00) for my C2 decklid. The question is: does this control unit provide for an overrule switch?

The raise/retract spoiler function get's it input from one of the rear wheel ABS speed sensors.

bigpino 08-14-2007 07:48 AM

Curious, I've got a 3.2 motor and a chassis of '76. No ABS there. I think it's hooked up to the speedometer.

However, the question is: does the control unit allow for an override switch for manual purposes? The automatic function is fine by me.

Pingo 08-14-2007 08:16 AM

Quote:

Originally Posted by bigpino (Post 3426012)
Curious, I've got a 3.2 motor and a chassis of '76. No ABS there. I think it's hooked up to the speedometer.

However, the question is: does the control unit allow for an override switch for manual purposes? The automatic function is fine by me.

It's not hooked up to the speedometer. Yes, there is a manual override switch in every C2/C4.

bigpino 08-14-2007 08:27 AM

So you think I got some ABS stuff in the car, like the break disk sensors or so? It is working, but i'm pretty sure that the ABS is not working or isn't there. So the C2/C4 have standard switches for that. All I need is a wire diagram and a proper switch, right?

Can you help me with that? All I can find on the forum is the autolock method, which I don't need since I got an original control unit.

Pingo 08-14-2007 09:50 AM

I don't know how is has been set up on your car (you have no ABS), but it's supposed to raise at around 50 MPH (after around 3 sec.) and retract at around 7 MPH.

Send me a PM with your e-mail address and I will send a copy of the wiring diagram.

Zeke 08-14-2007 09:55 AM

Please send me one, too. You don't take emails, but I do thru my user name. TIA

Pingo 08-14-2007 10:07 AM

Quote:

Originally Posted by milt (Post 3426244)
Please send me one, too. You don't take emails, but I do thru my user name. TIA

I don't think it's possible to send attachments by this boards e-mail form.

bigpino 08-14-2007 10:38 AM

Thanks Pingo, I've sent you an email address. Regarding the hystrese of the decklid control, it indeed works like that, although I'm not sure about the exact thresholds (I think it raises at 50KPH). Principally, it could be hooked on the speedo sensor of the tranny, I guess.

Zeke 08-15-2007 03:01 PM

Quote:

Originally Posted by Pingo (Post 3426278)
I don't think it's possible to send attachments by this boards e-mail form.

Probably not, but if it's on the Net, a link will work. I may have all I need. I just wanted to compare what you have to what I have presently.

bigpino 08-17-2007 01:42 PM

Milt, I learned that the override switch is easily connected. The override is basically connecting pin 11 (of the control unit) to either the deck open or close micro-switches (pin 9 or 10 respectively).

Zeke 08-17-2007 04:19 PM

Thanks. I'll add that info to my file.


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