'00 Lesabre Cruise control problem - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-24-2011, 10:37 PM   #11
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Yes, in fact it did....we pulled the tranny out (outdoors) and it was 10 days before we got the tranny back in......because the engine holder was in the way, the hood was 1/2 open during the time and there were several days of rain that got into the engine compartment......could be it....what do I do/check to rectify.
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Old 10-25-2011, 06:27 AM   #12
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find where your grounds go, pull them off, sand off any corrosion, reinstall
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Old 10-25-2011, 07:32 AM   #13
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We'll do, thanks for your help...we'll let you know (may be weekend before can get to it). I hate having to find grounds....but when everything sat in the rainy days with hood open that white powdery stuff formed all over the aluminum parts.. may have a ground attached to motor somewhere.
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Old 10-25-2011, 06:56 PM   #14
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Pulled the wiper motor out this afternoon, and when the housing hit the metal under the car it began working....cleaned off a few screws and put an additional ground wire on it and it'* working fine...thanks for all your help.....Now on to the next problem...the cruise control has also not been working, and the ground block for that and the wipers were the same. We put an extra ground wire to the CC and it still did not work.....a test showed we had juice right up to the module, so I fear the module is toast.
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Old 10-26-2011, 06:21 AM   #15
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if there are any holes * in the module, there could be internal corrosion. those electronic modules really dont like rain
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Old 10-26-2011, 07:21 AM   #16
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I don't see any holes, but we have power right up to the connection point. When it'* plugged into the module the light on the on/off switch glows lightly constantly. I believe the circuit board in the module is fried. We're headed to Pick and Pull to see if we can get on off a junked vehicle.
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Old 10-26-2011, 07:44 AM   #17
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If you have power to the module then the module is likely dead.
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Old 10-27-2011, 03:20 PM   #18
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I got another CC Module at a used parts place and tried it....still no luck...as it was doing exactly as before. I have juice to the plug, but it still will not work. The light on the on/off switch on the steering wheel glows lightly when off, and strong when switched on. When I remove the plug from the module the light goes on and off (as it should) on the switch. Ok, what else can I check to get this thing working. Seems to be it was working ok before I pulled the tranny and had it rebuilt. The speedometer works just fine, so that tells me the VSS is working as it should....ideas anyone?
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Old 10-27-2011, 04:26 PM   #19
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i would take those diagrams and make sure you are getting the right 12v controls when some one turns it on and pushes the different buttons. with it on you should get 12v at A, then with it on you should get it at the respective pins for set and coast. and make sure the cruise inhibit isnt grounded, it likely will be sitting there testing but maybe you could pull it out
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Old 09-04-2016, 03:48 PM   #20
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I know this is an old post, but I have a 2002 LeSabre Limited. Since I got it, the cruise will not stay on when I try to activate it from the steering wheel button. When I push the button the light comes on at the button, the CRUISE shows up on dash, and the cruise does work as long as I hold the button down. As soon as I release the button it goes off. I opened up the button but there doesn't seem to be any latching mechanism to keep it on, so I assume the latching is electronic. Everything else, brake lites, etc, appear to work OK, but the cruise will not stay on without the button being held down. Could this be the brake switch that controls CC not working? Would the brake lites still work OK if the CC part wasn't working? Any help is greatly appreciated.
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