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  #1  
Old 03-01-2009, 04:11 PM
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Thumbs up CRUISE CONTROL SCHEMATICS,WIRING & TROUBLESHOOTING...(1981-Preset)

http://userweb.windwireless.net/~jimc/vdocc1/vdocc1.txt

http://gdl-online.com/testproc.html
http://gdl-online.com/test021.html
http://gdl-online.com/test023.html
http://gdl-online.com/test024.html

The above links will give you all that you have been looking for to checkout, troubleshoot & repair all 14 pin MB/VDO Cruise Control Systems.
This includes the Amplifier, Actuator, Control Switch & Speed Sensor.

If you want the schematics...I will send you the pdf two page file. Email me .... sidoog@aol.com
Page two schematic shows a simple Speed Simulator to build with less than $20 of Radio Shack parts.
The I.C. chip for the simulator is Radio Shack #276-1718@$1.69 (This is an 8 pin 555 timer I.C.)
The 8 pin chip socket is #276-1995, $.69
The board to mount the socket...276-159,$2.4992-pack)
The pot is #271-002 (500k ohms),$3.99, instead if 150k but will work ok if you don't have a source for a 150 k ohm potentiometer.
33 ohm 1/2 watt resistor,$.99(5-pack)
10 ohm 1/2 watt resistor,$.9995-pack)
.1 capacitor, $1.49(2-pack)

I repaired a Cruise Control for a 1983 300SD with the above info. (all transistors & I.C's worked after a full circuit board re-solder)
I also bought a pack of alligator clip test leads & some momentary contact switches to connect to a 12vdc supply.This allowed all parts to be set-up on my workbench,operate & check out.
TIP...Before resoldering ALL points on the amplifier board I used some JASCO LIQUID PAIN/VARNISH REMOVER (Available at Ace Hardware)to brush onto the amplifier circuit board bottom. This removed the clear coating & gave me clean access to re-solder.

Last edited by sidoog; 03-02-2009 at 02:37 PM.
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  #2  
Old 03-02-2009, 08:43 AM
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I'm super excited to get my hands on the schematics, but the figures don't seem to appear on the page, only text. Any ideas? Thanks!!
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'79 300D, Ivory "Gunther" ......going
'81 300SD, Metallic Blue Silver, The Grey Ghost.....going
'87 300D Turbo ...gone
'05 CDI.... gone
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  #3  
Old 03-02-2009, 10:07 AM
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Quote:
Originally Posted by sidoog View Post

If you want the schematics...I will send you the pdf two page file. Email me .... sidoog@aol.com
Quote:
Originally Posted by Astroman View Post
I'm super excited to get my hands on the schematics, but the figures don't seem to appear on the page, only text. Any ideas? Thanks!!
looks like you need to send him an email
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  #4  
Old 03-02-2009, 11:02 AM
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My enthusiasm got the better of me, and I didn't read carefully enough..lol

email sent..
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'79 300D, Ivory "Gunther" ......going
'81 300SD, Metallic Blue Silver, The Grey Ghost.....going
'87 300D Turbo ...gone
'05 CDI.... gone
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  #5  
Old 03-02-2009, 02:22 PM
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Cruise Control Schematics

Quote:
Originally Posted by Astroman View Post
I'm super excited to get my hands on the schematics, but the figures don't seem to appear on the page, only text. Any ideas? Thanks!!

I did not post the schematics because the 2 schematic pages are in a pdf file that I can send attached to an Email.
I could not figure out how to attach a pdf file within this forum.
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  #6  
Old 03-02-2009, 02:25 PM
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Thumbs up

Quote:
Originally Posted by ::matthew View Post
looks like you need to send him an email
Mathew...if you want the schematics send me an email & I will send them back in a pdf file attachment.
sidoog@aol.com
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  #7  
Old 03-04-2009, 07:09 AM
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SIDoog,
I received the PDF you sent but it will not open. It keeps saying it is a link. Can you zip up the file and the resend it to me please.
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1983 Mercedes 300CD Turbo- 199,370 miles - Lapis Blau
1974 Mercedes 240D - 186,445 miles - Aqua Blau
1982 Volvo 244GL Diesel wagon - 168,956 miles - to be sold
1994 Chevy G30 6.5 Diesel "short bus" converted for camping, painted red white & blue & white stars 78,956 miles
JD F935 diesel front mower
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  #8  
Old 03-04-2009, 07:45 AM
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Try this link

It looks like the schematics are available here- http://forums.pelicanparts.com/showthread.php?t=394659
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'82 300D - Light Ivory, 2nd Owner (Back in the wind April 2013!)

'95 E300D - White, grey interior. (Suffering from stuck/broken glow plugs)

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  #9  
Old 03-04-2009, 08:28 AM
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Quote:
Originally Posted by fdanielson View Post
It looks like the schematics are available here- http://forums.pelicanparts.com/showthread.php?t=394659
Yup. Those are the same ones I found a long time ago.
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'05 E320 CDI - 86,000 miles
'86 300SDL - 360,000 miles
'85 300SD - 150,000 miles (sold)
'89 190D - 120,000 miles (sold)
'85 300SD - 317,000 miles (sold)
'98 ML320 - 270,000 miles (sold)
'75 300D - 170,000 miles (sold)
'83 Harley Davidson FLTC (Broken again) :-(
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  #10  
Old 03-04-2009, 08:40 PM
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Thank you so much, this will help to no end.
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1983 Mercedes 300CD Turbo- 199,370 miles - Lapis Blau
1974 Mercedes 240D - 186,445 miles - Aqua Blau
1982 Volvo 244GL Diesel wagon - 168,956 miles - to be sold
1994 Chevy G30 6.5 Diesel "short bus" converted for camping, painted red white & blue & white stars 78,956 miles
JD F935 diesel front mower
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  #11  
Old 04-16-2009, 05:37 PM
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Quote:
Originally Posted by mplafleur View Post
Yup. Those are the same ones I found a long time ago.
They are for the Porsche too. The gld-online links don't work. [*edit, they are working now...their server must have been down for a while]

Thanks for posting all that work!
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My Primary Driver - '85 300CD - 4-speed conversion, 2.47 rear, lowered, euro headlights, rebuilding (not restoring so much)

Wife's - '08 Saab Sportcombi Aero

Riding a '03 Yamaha Warrior

Last edited by lowriderdog37; 04-17-2009 at 12:25 PM.
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  #12  
Old 04-16-2009, 10:20 PM
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Sorry, I didn't know they were Porsche or that they were different than the MB version.
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Michael LaFleur

'05 E320 CDI - 86,000 miles
'86 300SDL - 360,000 miles
'85 300SD - 150,000 miles (sold)
'89 190D - 120,000 miles (sold)
'85 300SD - 317,000 miles (sold)
'98 ML320 - 270,000 miles (sold)
'75 300D - 170,000 miles (sold)
'83 Harley Davidson FLTC (Broken again) :-(
'61 Plymouth Valiant - 60k mikes
2004 Papillon (Oliver)
2005 Tzitzu (Griffon)
2009 Welsh Corgi (Buba)

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  #13  
Old 04-17-2009, 06:50 AM
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Quote:
Originally Posted by mplafleur View Post
Sorry, I didn't know they were Porsche or that they were different than the MB version.
They are VERY similar if not the same as the 10-pin from earlier Mercedes models. Unfortunately, it is a good bit different from the 14-pin ones we use.

In the end of my current testing cycle, I got about 6 different amps from other members and all but 1 worked fine after stripping the lacquer and doing some re-soldering. The last just wouldn't accelerate. The funny thing is that I CAN'T seem to get mine working again. HAHA go figure.
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Wife's - '08 Saab Sportcombi Aero

Riding a '03 Yamaha Warrior
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  #14  
Old 04-17-2009, 07:59 AM
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Quote:
Originally Posted by fdanielson View Post
It looks like the schematics are available here- http://forums.pelicanparts.com/showthread.php?t=394659
Am I correct that the schematics at http://forums.pelicanparts.com/showthread.php?t=394659 are for the pre-1981 cruise control amp?
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'85 300 Turbo Diesel 2 tank WVO
'83 300 Turbo Diesel 2 tank WVO
Some former WVO vehicles since ~1980:
'83 Mercedes 240D
'80 Audi 4000D
'83 ISUZU Pup
'70 SAAB 99 with Kubota diesel
'76 Honda Civic with Kubota diesel
'86 Golf
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  #15  
Old 04-17-2009, 12:21 PM
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Quote:
Originally Posted by WD8CDH View Post
Am I correct that the schematics at http://forums.pelicanparts.com/showthread.php?t=394659 are for the pre-1981 cruise control amp?
Not quite. Those are what we have been talking about. They are for Porsche 911's made around the same time. The technology is about the same, so it should be very similar, if not the same.
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Wife's - '08 Saab Sportcombi Aero

Riding a '03 Yamaha Warrior
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Old 04-17-2009, 12:21 PM
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