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Registered User
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cruise control problem
Setting the cruise will make it go WOT every time. Accelerate and resume go WOT too. Cancel still does cancel, thank goodness
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~Roy 1983 928S US 4.7 auto, black/burgundy 77k M417 M438 I455 M468 M484 M490 M494 M533 M650 |
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Moderator
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Sounds like your Cruise Control Box is going weird. It's a silver box right on the center hump behind the Center Console. It's kinda tucked in but I think you can gain access by just removing one of the side panels. You can open them up and check the circuit board for any obvious damage. Could be corroded contacts too at the plug.
Signal Stalk CC Control contacts could be damaged or stuck inside the Stalk too. This would require rivets removed and very careful disassembly. There are lots of springs, bearings, etc in the Stalk. I actually took one apart but it took one of my friends for re-assembly. I couldn't do it.
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD** ![]() |
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Ok, will check that out. Thanks
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~Roy 1983 928S US 4.7 auto, black/burgundy 77k M417 M438 I455 M468 M484 M490 M494 M533 M650 |
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Registered
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Someone just had a post on bad solder joints in the cruise control box. You might do a search on that. Also, check into Rennlist 928 section. I believe they may have also changed some comparator chips in the box.
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1986 928S 32 valve engine All stock, automatic, 539 Weissgold Metallic, 70K original miles, Hankook Ventus 2 tires. Previously owned: 67 Vette, 427 L88 Stingray, 74 De Tomaso Pantera L. Latest addition: 2000 BMW Z3 Roadster |
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Registered
Join Date: Jul 2010
Location: Porterville, Ca.
Posts: 101
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It does sound as if some of the solder joints are loose. I have re-soldered 4 with the same symptoms and got 3 to work correctly again. The 4th had a very strong burnt smell before I re-soldered but tried anyway. Access is from passenger side and the box may be (should be) held down with an 8 mm screw.
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'73 914 2.0, '84 944 coupe, '87 944 coupe, '90 944s2 cabriolet, '81 928, '86.5 928s, '71 corvette, '84 corvette |
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SharkHead
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Do many of us really use the Cruise control? I suppose on a long distance haul...but, I find I like Human Shark control anyway!
![]() thanks Leo
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'79 928, 85k Opal Metallic '99 BMW 540i, 97k Titanium '72 BMW 3.0 csi, 85k km (euro Deutschland '82) Taiga |
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Moderator
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Yeah, since I fixed mine on my Euro. I found myself "never" using it, but it's there if i need it. I'm with you, I like full control of my Shark.
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD** ![]() |
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Registered
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Sure do use it. If you drive long distances on open roads it is a nice feature. City driving NO. I actually think it improves gas mileage. Driving through Nebraska on I-80, set it to 75 and let it cruise.
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1986 928S 32 valve engine All stock, automatic, 539 Weissgold Metallic, 70K original miles, Hankook Ventus 2 tires. Previously owned: 67 Vette, 427 L88 Stingray, 74 De Tomaso Pantera L. Latest addition: 2000 BMW Z3 Roadster |
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Registered
Join Date: Mar 2010
Location: Texas
Posts: 2,137
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I use my CC on long jaunts. Used it coming back from SITM the first time I went. Had it set at 110 all the way across AR. Even passed a stationary Little Rock LEO, but he declined to pursue. (thank God)
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John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) Last edited by stepson; 05-26-2011 at 01:59 PM.. Reason: correct state abbrev |
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Moderator
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Quote:
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD** ![]() |
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Registered User
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I hear you guys about the usage. Up here in Nova Scotia, most everything is a 20 - 30 minute highway trip. I use cruise in my other vehicles all the time. On the twisty back roads, never
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~Roy 1983 928S US 4.7 auto, black/burgundy 77k M417 M438 I455 M468 M484 M490 M494 M533 M650 |
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