Cruise Control - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

View Poll Results: Cruise Control Problem...
Cruise Control Module 0 0%
Cruise Control Servo 4 66.67%
Toggle Switch on Steering Column 1 16.67%
CC Relay Replacement 1 16.67%
Voters: 6. You may not vote on this poll

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Old 06-16-2006, 01:04 PM   #31
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Have you looked at the FSM yet? I haven't looked into it that far

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Old 10-20-2006, 04:27 AM   #32
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And here we are back 4 months later. My cruise still does not work.

I have replaced, the cruise switch and the servo. I have a cruise module in my trunk, I have yet to install it...and I know my brake switch works because my torque convertor unlocks if i press my brake.

BUT something I noticed...when I was replacing my steering column toggle arm thingymabober, I noticed that there is a PINK wire that seems to be loose..err..cut? well regardless..its not connected..and I'm just wondering whether that may be a crucial wire for the cruise? It is VERY hard to see and very hard to access because it is in the steering column...I will look in my FSM as soon as I find it And I am planning to install the cruise module tomorrow also. So we will see.

Just wanted to update the thread and still need help!!!

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Old 01-04-2007, 10:20 PM   #33
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Ok. update on the situation. I just replaced the CCM tonight. No go. I have now replaced the following.

Cruise control Switch
Cruise Control Module
Cruise Control Servo
TPS
Brake Switch

Seriously, what in the name of the cruise control gods is WRONG with my car? Seriously.

HELP.
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Old 01-04-2007, 10:59 PM   #34
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Old 01-05-2007, 12:31 AM   #35
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its been REPLACED. Plus, didn't that not work for you anyways?
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Old 01-05-2007, 12:35 AM   #36
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yeah mines still dead lol...

I think my PCM might be the problem if it can be


How did yours start to die.

Same as mine?

Working some times for a while if yo left it in on,

When it would just shut off by its self....

then it worked for a bit, and not Nothing at all. this was over a 3 month time frame or so..
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Old 01-05-2007, 12:50 AM   #37
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no. it has never worked. i think there might be some wires somewhere disconnected, i will check them all with the FSM leading my way tomorrow.

(what is up with this "BC System" posting ads now?!?!)

woah, now its gone..
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Old 01-05-2007, 05:03 AM   #38
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The most common cruise control fault is bad vacuum.
First thing to check or replace, if that is your modus operandi, is the vacuum lines.
Even before that, you do realize that the switch needs to be in the "ON" position for it to work, right? Just checking.
It seems odd that you have replaced all the components and it still doesn't work. Now you have to wonder if one or more of the new components you swapped out is faulty.
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Old 01-05-2007, 05:24 AM   #39
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have you checked for vaccum at both hoses of the servo?

If there is vaccum, It needs to be replaced again


it could be easiest to get an extension of vaccum hose an figure out a way to bring it into the car to test it.
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Old 01-05-2007, 11:03 AM   #40
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If it makes you feel better the cruise on my 89 caddy does nadda too. Never worked for me, and the guy i bought it from, couldn't put a sentence together, let alone ask him if the cruise worked. It never worked, and never almost worked... but if you figure out what that TSB is, that might be where I need to start. B'ville'* works fine though
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