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cruise control
well the cruise control on this car has never worked - i might drive it out to california this summer so i'd sure like to have one - i've tested all the functions of the car side of things per the manual and they all check out ok - so that leaves the module box - i have 2 of them.. one from the 79 and one from the 84 - the 84 one will accelerate the car but not hold the speed - the 79 one will work sporadically and will hold the speed for a little bit then gradually slow down - so is there a way to test these boxes? - i bought one online but it also being 30 years old didn't work either - the problem with buying stuff from junk yards is they say it was working when removed but how do they know? - if the car was running it probably wouldn't be getting parted - so should i be looking for a different box - will one from different model or manufacturer (say mercedes or vw) work - anybody out there have a known working one? - i've tried reflowing the solder on half of one of these (about 3 million joints) but no difference
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84 928 S - SOLD 2012 Cayenne S |
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03-30-2017, 08:46 AM
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Join Date: Mar 2010
Location: Texas
Posts: 2,137
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This guy on the other forum comes highly recommended:
Cruise Control Repairs and Diagnostics - Rennlist Discussion Forums
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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) |
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03-30-2017, 10:19 AM
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thanks stepson - i sent him an email
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84 928 S - SOLD 2012 Cayenne S |
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03-31-2017, 08:06 AM
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well i sent my cruise control box to the guy stepson referenced above - i'm happy to report he was able to repair it and now it works great - his fees were reasonable ..about what i paid for a used one that didn't work so it's all good now
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84 928 S - SOLD 2012 Cayenne S |
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04-21-2017, 07:28 AM
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Petie3rd
Join Date: Jul 2000
Location: Philly PA
Posts: 4,528
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I had him do 5 units, but one of them was too far gone to fix,
but all the others were brought back to life.
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^^^ Stan ^^^ 2019 BMW K1250 GS 2016 HD RK 1988 S4 Auto , Elfenbein Perlglanz, Pearl Gray 1982 5sp Met black and tan sport seats |
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04-21-2017, 04:22 PM
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Join Date: Mar 2010
Location: Texas
Posts: 2,137
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Good to hear feedback
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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) |
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04-24-2017, 12:53 PM
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Network Native
Join Date: Jan 2007
Location: SoCal
Posts: 10,349
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I had no idea cruise control might actually work.
 J/K Mine worked once for a few minutes.
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04-24-2017, 08:21 PM
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hey danglerb - yea mine worked sporadically - but now it works every time - pretty cool - i think cruise is very helpful when you're driving long stretches of highway - i find my speed just tends to creep up or down if i'm not watching the speedo very carefully - helps avoid those pesky speeding tickets
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84 928 S - SOLD 2012 Cayenne S |
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04-25-2017, 07:07 AM
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