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#31
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'81 300TD Wagon 355k (Miss Diesel) '83 300SD 180k '84 500SEL 190k (Parting it out) |
#32
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Re: Wiring aftermarket cruise to stock controls
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"If anyone knows other lessons I need to learn, please tell me. I'm tired of learning them the hard way". by JerryBro The Glow Plug Wait: This waiting period is a moment of silence to pay honor to Rudolph Diesel. The longer you own your diesel the more honor you will give him". by SD Blue My normal daily life; either SNAFUed- Situation Normal... All Fouled Up, or FUBARed- Fouled Up Beyond All Repair 62 UNIMOG Camper w/617 Turbo, 85 300SD daily driver- both powered by blended UCO fuels |
#33
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Re: Re: Wiring aftermarket cruise to stock controls
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'81 300TD Wagon 355k (Miss Diesel) '83 300SD 180k '84 500SEL 190k (Parting it out) |
#34
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Re: Re: Re: Wiring aftermarket cruise to stock controls
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On mine pull back and up resume/accel, down is decel/set. I don't even think about it anymore. Great, serious thanks from the depths of my heart for putting this in an intelegable fashion. I just have not been able to get it to make sense in text and am so insanely out of time for anything anymore. Now everyone can have a good cheap long lasting cruise with a clean instal. ![]()
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One more Radar Lover gone... 1982 VW Caddy diesel 402K 1.9L AAZ 1994 E320 175K |
#35
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81 Wagon,
Can you please provide the exact Rostra model and part number you used? This is exactly the mod I wish to do. Factory appearing modern CC install/upgrade.... Can't wait! Thanks, RT
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When all else fails, vote from the rooftops! 84' Mercedes Benz 300D Anthracite/black, 171K 03' Volkswagen Jetta TDI blue/black, 93K 93' Chevrolet C2500HD ExCab 6.5TD, Two-tone blue, 252K |
#36
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Check out this Rostra site. I followed the "local distributor" links to find the unit at a nearby Pep Boys.
http://www.rostra.com/cruise-control.htm
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Rick Avid Benz watcher Previously owned 126's: 2 1981 300SD's, 1987 300SDL, 1991 350SDL, Previously owned 123's: 1978 300D, 1983 240D, 1985 300D Previously owned 124: 1994 320TE Current Asians: '00 Toyota Avalon, Silver, gray leather, 287k '02 Toyota Avalon, Gold, tan leather, 123k '03 Chevy Suburban, Z71, tan leather, 190k |
#37
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Um, no distributors in RI or MA, some in CT.... Looking for the Rostra part number mainly. I contacted a manufacturer a while back and was told the CC wouldn't work with the MB control stalk. Don't remember if it was Rostra or not, just want to be sure.
Edit: Evidently Rostra makes CC units for Audiovox, I found that PepBoys in RI supposedly carries them..... RT
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When all else fails, vote from the rooftops! 84' Mercedes Benz 300D Anthracite/black, 171K 03' Volkswagen Jetta TDI blue/black, 93K 93' Chevrolet C2500HD ExCab 6.5TD, Two-tone blue, 252K Last edited by rwthomas1; 07-09-2004 at 12:22 AM. |
#38
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I bought the electric (not vacuum) model described on the page rgp123 linked. They do seem to make the units Audiovox sells (at least they sure look identical!) and those might actually be cheaper and easier to find (I bought my Rostra-branded one online).
When they say it won't work with the MB control stalk, they mean it isn't a simple plug-and-play affair... Which is why the rewiring I described above is necessary (the manufacturer definitely wouldn't support this, but it works fine :-). I'll take a picture of my setup under the hood in a few weeks if you want (my digital camera is currently touring Italy without me). If you need it sooner I could probably borrow a friend's camera...
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'81 300TD Wagon 355k (Miss Diesel) '83 300SD 180k '84 500SEL 190k (Parting it out) |
#39
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I thought that stock amps were overloaded when the stock actuators were drawing too much current from the amp's output section. If you're going through stock cruise amps the culprit is likely the actuator. Why not keep it stock then? Just fix your actuator.
__________________
'02 BMW 325i '85 300D 450k '93 190E 2.6 170k(killed by tree) '08 Ducati Hypermotard 1100S 6k '06 Ducati S2R800 14k(sold) |
#40
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If you're going through stock cruise amps the culprit is likely the actuator
This system is all new with the exception of utilizing the stock control stalk as explained in the above post for rewiring. The Rostra system is electronic with a new actuator and amp. It will be much more reliable than OE but with the look of stock by using the OE control.
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Rick Avid Benz watcher Previously owned 126's: 2 1981 300SD's, 1987 300SDL, 1991 350SDL, Previously owned 123's: 1978 300D, 1983 240D, 1985 300D Previously owned 124: 1994 320TE Current Asians: '00 Toyota Avalon, Silver, gray leather, 287k '02 Toyota Avalon, Gold, tan leather, 123k '03 Chevy Suburban, Z71, tan leather, 190k |
#41
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a bit off-topic, but...
If one's speedo in his 123 is jumpy, does that affect his CC? Is the CC dependent on the speedo? Mine works and then it doesn't, just like everyone else's. But when it works it seems smooth and stable despite the jumpy speedo. I'd like to have a fully functioning CC, but just focusing on the CC itself ain't gonna cut it if it's speedo-dependent cuz my speedo's f'ud up.
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'02 BMW 325i '85 300D 450k '93 190E 2.6 170k(killed by tree) '08 Ducati Hypermotard 1100S 6k '06 Ducati S2R800 14k(sold) |
#42
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The Rostra unit referenced in this thread has several methods of pick up. The simplest is with electronic speedo input but magnets attached to opposite sides of the driveshaft is pretty easy as well and works without input from your speedometer.
__________________
Rick Avid Benz watcher Previously owned 126's: 2 1981 300SD's, 1987 300SDL, 1991 350SDL, Previously owned 123's: 1978 300D, 1983 240D, 1985 300D Previously owned 124: 1994 320TE Current Asians: '00 Toyota Avalon, Silver, gray leather, 287k '02 Toyota Avalon, Gold, tan leather, 123k '03 Chevy Suburban, Z71, tan leather, 190k |
#43
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For about the same price and installation effort you could probably just replace your speedo cable rather than installing the magnetic sensors on the driveshaft.
__________________
'81 300TD Wagon 355k (Miss Diesel) '83 300SD 180k '84 500SEL 190k (Parting it out) |
#44
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I'm not sure about this particular unit (haven't read the included list) but most include the magnets, pick up and wiring harness in the kit. All you do is cut a string to the length of the driveshaft circumfrance, then cut that in half to use as a measure for mounting a magnet on either side of the shaft, exactly opposite each other. Drill to mount the pick up nearby then thread the wire through an existing firewall hole.
That seems much simpler, and cheaper, than replacing a speedo cable. However, if your speedometer is a problem anyway, a repair there will probably be cheaper than a speeding ticket!
__________________
Rick Avid Benz watcher Previously owned 126's: 2 1981 300SD's, 1987 300SDL, 1991 350SDL, Previously owned 123's: 1978 300D, 1983 240D, 1985 300D Previously owned 124: 1994 320TE Current Asians: '00 Toyota Avalon, Silver, gray leather, 287k '02 Toyota Avalon, Gold, tan leather, 123k '03 Chevy Suburban, Z71, tan leather, 190k |
#45
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The rostra unit is about $30 cheaper without the magnets and pickup (at least where I bought it from). Fastlane lists the speedo cable for $35. It seems worth the extra effort to have a functional speedometer :-).
__________________
'81 300TD Wagon 355k (Miss Diesel) '83 300SD 180k '84 500SEL 190k (Parting it out) |
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