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Buick LeSabre Electrical/Lighting

182 messages,  Last post on Sep 29, 2009 at 9:57 AM

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What is this discussion about? Buick LeSabre, Lights, Electrical, Sedan

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#153 of 182 Re: 94 Buick LaSabre - Battery won't charge when engine is hot. [germann] by imidazol97 Dec 08, 2008 (2:41 pm)
Replying to: germann (Dec 08, 2008 10:37 am) Look at the cables. The battery has dual positive cables with one piggybacked on the other. Separate those and look for corrosion between them and pull back the plastic and look for corrosion going down the wire.   Check the connections at the other ends of the battery wires at the starter and at the alternator and the grounds as well.   I believe one person found the wire to the alternator defective but I don't remember the problem.   Can you switch batteries? Try a different alternator?   Remember if you have auto control air conditioning, shut it off with the key ON so it goes into down mode. Some people have had problems with AC after replacing batteries. Replies to this message: germann (Dec 12, 2008 11:54 am)
#154 of 182 Re: 94 Buick LaSabre - Battery won't charge when engine is hot. [imidazol97] by germann Dec 12, 2008 (11:54 am)
Replying to: imidazol97 (Dec 08, 2008 2:41 pm) According to the mechanic the car is fixed. Cables inspected, cleaned and retightened, replaced the battery, tried another alternantor (he borrowed from the alternator shop, it didn't change anything so he put the old one back on).   This is what he said he found. The alternator would charge when everything was cold but when things warmed up, it would stop charging. He found that the 12 volts would turn off coming from the comupter. So whatever is not working' when the car warms up is killing the 12 volts to the alternator.   I have yet to see it for myself, but he apparently rewired something to work.   I guess that is all I really care about.   Thanks for your help imidazol97.
#155 of 182 Twilight Sentinel by zapped Dec 29, 2008 (8:04 am)
Can anyone tell me how I can disable the twilight sentinel on a 2005 Buick LeSabre?
#156 of 182 High Level Stop Light by dave1081 Jan 26, 2009 (7:11 am)
1992 LeSabre Custom - Does anyone know how to replace the third brake light - the one in the back window? Owners Guide refers to it as "High Level Stop Light" and references the replacement bulb number but offers no instructions for replacing it.   Reaching in from the trunk, I feel a plastic wired "plug" that goes into the metal bulge, but it won't come loose and I don't want to force it. I doubt I'd get ticketed for this but I love the car and want to keep it in ship-shape. Any advice?
#157 of 182 1995 LeSabre won't shift up by tdt11058 Mar 12, 2009 (4:02 pm)
My car won't shift up into highway speed. The engine will race but the car won't shift, or go any faster. It does all right in low 2 at about 30-40 mph, or at very low speed in (D). If I can get it up to speed it will travel fine on straight flat road, but won't climb hills. Is this in the transmision only, or are there other causes that might act the same way? Replies to this message: imidazol97 (Mar 12, 2009 5:33 pm)
#158 of 182 Re: 1995 LeSabre won't shift up [tdt11058] by imidazol97 Mar 12, 2009 (5:33 pm)
Replying to: tdt11058 (Mar 12, 2009 4:02 pm) How many miles?   Obviously the transmission needs to be checked to find what's wrong. Has it been serviced 40-50K miles with fluid drain and filter change? Could be other things involved such as computer PCM although I don't know for sure it controls the transmission shifting. There is an electrical connector on the transmission that might be giving a problem.   The only reason I think of the computer, is the 94 and 95s seem to have more computer problems than other years.
#159 of 182 94'lesabre lights sometimes dont shut off by jcb6 Mar 12, 2009 (6:28 pm)
i have a 94' lesabre and i cant get the lights to turn off sometimes.When i push the switch in and out they will usually turn off this time not so much.I opened the pass. door to get manual(which i dont have) and the lights went off.any ideas Replies to this message: imidazol97 (Mar 13, 2009 4:15 am) jcb6 (Mar 13, 2009 4:37 pm) imidazol97 (Mar 14, 2009 7:05 am) and 1 more...
#160 of 182 Re: 94'lesabre lights sometimes dont shut off [jcb6] by imidazol97 Mar 13, 2009 (4:15 am)
Replying to: jcb6 (Mar 12, 2009 6:28 pm) >i have a 94' lesabre and i cant get the lights to turn off sometimes.   Which lights? Replies to this message: jcb6 (Mar 13, 2009 4:37 pm) imidazol97 (Mar 14, 2009 7:05 am) jcb6 (Mar 14, 2009 4:18 pm)
#161 of 182 Re: 94'lesabre lights sometimes dont shut off [imidazol97] by jcb6 Mar 13, 2009 (4:37 pm)
Replying to: imidazol97 (Mar 13, 2009 4:15 am) the headlights.when i push the headlight button in and out the dash lights and light indiactors all come on correctly but the headlights wont turn off.like i said i opened the pass. door last time and they went off,kinda wierd i know but i've seen your sceen name on here and sounds like you know your stuff any ideas please Replies to this message: imidazol97 (Mar 14, 2009 7:05 am) jcb6 (Mar 14, 2009 4:18 pm)
#162 of 182 Re: 94'lesabre lights sometimes dont shut off [jcb6] by imidazol97 Mar 14, 2009 (7:05 am)
Replying to: jcb6 (Mar 13, 2009 4:37 pm) Does your car have twilight sentinel where you can adjust how long the headlights stay on after the key is off and the door opened?   Does it have automatic on and off headlights that us a light sensor on the dash that "sees" the light of the sky to determine when to turn the headlights on and off.   It's very easy to get the light switch and the twilight sentinel controls confused in their operation with each other.   Also does your car have the battery saver feature where if you leave the headlights or any others on, they are turned off after 10 minutes or so?   I'd have to dig out my 93 manual and see which features were available then. The battery saver may have been on Limited models with certain option packages.   I know that the twilight sentinel switch on my 98 holds the lights on and if I turn the headlight switch on, I'll get confused as to how to get them off. Replies to this message: jcb6 (Mar 14, 2009 4:18 pm)

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