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Registered
Join Date: Oct 2002
Posts: 335
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Cruise Control on 1984 944
Hi all,
My cruise control is not working. I took it to the shop, and they tested a spare brain that came with the car. The spare brain did not work. Does anyone know of the common faults that typically occur on the cruise control system? What should I check? I would appreciate any advice for a newbie. THANKS! Andrew (Portland) |
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10-10-2002, 01:18 AM
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Registered
Join Date: Feb 2001
Location: Viera FL
Posts: 5,642
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Welcome to the group.
Start with the simple things first - the cruise control brains don't go out very often. First, check your brake lights - burned out brake light - no cruise. Secondly, check the cruise control relay - Check fuse as well Lasty, are your steering column switches functioning properly? Steering column switches are a common problem with these cars. AFJuvat
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Es geht nicht darum wie schnell man faehrt, sondern wie gut man schnell fahren kann. Ihr Brunnen der nutzlosen Porsche Information |
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10-10-2002, 02:34 AM
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Registered
Join Date: Oct 2002
Posts: 335
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Cruise Control
Thanks for the reply!
I've just collected the car from the shop. They tested the cruise control switch assembly and the soleniod assembly. Both work fine. They also tested the spare cruise control brain that I bought from Ebay. They reported that both the original and spare ECU were not working. A check with Porsche North America shows that the last original ECU is available for $400+! Nope, the price is not an option for me... I may have to live without cruise control for a while...unless I am able to locate another from a wreck shop such as Parts Heaven, etc. Andrew (in Portland) |
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10-12-2002, 07:23 AM
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least common denominator
Join Date: Aug 2001
Location: San Pedro,CA
Posts: 22,506
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How about this, on my way back from the Ventura car show (about 100 miles each way) I decided to play with the cruise control, worked fine for a little while, but the seams in the famous Ventura highway began to play havoc with it. Finally hit a big one and it just turned off. Some time ago my windshield wipers also refused to turn off, they kept running in delay mode so I pulled the delay relay and just work the wipers manually. I suspect the connections in the steering column. How difficult is it to get into those and can the be cleaned/repaired of should I replace them?
Thanks
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Gary Fisher 29er 2019 Kia Stinger 2.0t gone  1995 Miata Sold 1984 944 Sold I am not lost for I know where I am, however where I am is lost. - Winnie the poo. |
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10-12-2002, 11:18 AM
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Registered
Join Date: Feb 2001
Location: Viera FL
Posts: 5,642
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If you have an early model, you can carefully pry the switches open and clean/manipulate them. - this is detailed in the Haynes manual.
85.5 and later, they are sealed. Replacement is the only option. AFJuvat
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Es geht nicht darum wie schnell man faehrt, sondern wie gut man schnell fahren kann. Ihr Brunnen der nutzlosen Porsche Information |
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10-12-2002, 09:09 PM
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in denial
Join Date: Jun 2006
Location: north central, oh
Posts: 294
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just reading through this post.... is there a cruise control relay in an 84? if so, were is it located? thanks in advance...
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09-07-2006, 12:58 AM
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