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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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#2 of 182 Turn Signal Problem by seabush Jan 19, 2006 (4:22 pm)
I own a 1998 Buick Le Sabre. Today I experienced problems with turn signal. The turn signal lights are on but the flasher doesn't work on the left side (front and back) What could be the possible problem?   Thanks Replies to this message: kcwolfpack59 (Jan 19, 2006 7:16 pm) freddie07 (Jul 31, 2007 9:06 pm) freddie07 (Jul 31, 2007 11:15 am) and 1 more... imidazol97 (Jan 20, 2006 9:17 am)
#3 of 182 Re: Turn Signal Problem [seabush] by kcwolfpack59 Jan 19, 2006 (7:16 pm)
Replying to: seabush (Jan 19, 2006 4:22 pm) Try new light bulbs. Even though they are lit, they might be bad. Works for me every time. Replies to this message: freddie07 (Jul 31, 2007 9:06 pm) freddie07 (Jul 31, 2007 11:15 am) demoncarnut75 (Aug 13, 2007 7:46 am)
#4 of 182 Re: Turn Signal Problem [seabush] by imidazol97 Jan 20, 2006 (9:17 am)
Replying to: seabush (Jan 19, 2006 4:22 pm) Try putting on the four way flasher which will flash all the bults the turn signals would flash. Go around the car to be sure the same bulbs are light up on the left side as light up on the right side. I'll bet you find one bulb is not working somewhere on front or back. One bulb oout will let the lights turn on but won't have enough current draw to heat the spring in the flasher unit to make it turn off
#5 of 182 LeSabre Gone Mad by ryanfiala81 Jan 31, 2006 (2:35 pm)
I have posted this message in Maintenance & Repair forums, as well, but thought that maybe LeSabre experts might have some thoughts on my car's problems.   I'm a frequent poster on Edmunds, but have never had one as crazy as this. My '97 LeSabre's check engine light came on a few days ago. The car ran well enough with it on for a few days. The light even went off briefly. However, this morning, the light had returned, and the car refused to shift out of first gear. Additionally, the input to the pedal did not directly correlate with the motor's reaction. Strangest was my fuel gauge, which now randomly meanders between 1/2 tank and empty and settles for awhile before wandering again (I have a little bit less than a half tank remaining). I took it to a local auto parts store where they ran the trouble codes. TPS was listed as one of the codes, and so I replaced it. The car now idles well enough, but still refuses to shift out of first, and the TPS trouble code refuses to be erased when clearing codes with the OBD II. The clearing of the codes appears to have settled my idle, and replacing the TPS has made my pedal input better correlate with the motor's reaction. Additionally, the fuel gauge problem appears to have righted itself, but the car still won't shift out of first.   My friend suspects the problem lies in my Electronic Control Module, but he admits he doesn't know GMs all that well. I have the following questions:   - Does anyone else think this is the likely culprit? - Would a repair shop be able to use their Snap-On Diagnostics to better pinpoint the problem? - Is there any sort of traceable relay that might be fouled between the computer and the transmission? - How likely is it that the problem resides in the transmission (I had it flushed a little more than a year ago)?   I appreciate any thoughts on what's ailing my car. Thanks. Replies to this message: imidazol97 (Jan 31, 2006 3:14 pm) pat (Feb 01, 2006 4:33 am) ryanfiala81 (Feb 01, 2006 7:55 am) pat (Feb 01, 2006 3:41 pm) ryanfiala81 (Feb 09, 2006 10:14 am)
#6 of 182 Re: LeSabre Gone Mad [ryanfiala81] by imidazol97 Jan 31, 2006 (3:14 pm)
Replying to: ryanfiala81 (Jan 31, 2006 2:35 pm) http://townhall-talk.edmunds.com/WebX/.ef2398d/2418   You might post a question in the above discussion. Alcan or others may know something to check. There is a fuse panel above the passenger's right kick panel--someone said it can be reached without taking off the hush panel, but I believe the hush panel has a list of the fuses there. A fuse there may be related.   A connector next to the driver's left foot for the grounds sometimes causes problems with corrosions or moisture. There is another ground beside the driver's seat under the carpet between it and the door and one on the passenger side. Grounds at the instrument panel next to the emergency brake could be gas gauge problem or connector going to the back to the tank.   A first thing to check is the connections on the battery. Take the ground off. Take off the two positives and clean everything and check cables the contacts connect to in order to make sure they aren't eaten away by battery acid. Is your battery good? After you clean and replace the cables, check voltmeter for the battery operation.
#7 of 182 Re: LeSabre Gone Mad [ryanfiala81] by pat HOST Feb 01, 2006 (4:33 am)
Replying to: ryanfiala81 (Jan 31, 2006 2:35 pm) Hi ... just a word about forums etiquette. It's not a good idea to post your questions in so many discussions. That tends to annoy people and then they don't want to help.   So please don't post in the discussion imidizol97 suggested. I'm sure he didn't realize you'd already posted so many times. The people who read the discussions you've already found also read the one he suggested, so you'll reach the right people.   I hope we can help you with this. Replies to this message: ryanfiala81 (Feb 01, 2006 7:55 am) pat (Feb 01, 2006 3:41 pm) ryanfiala81 (Feb 09, 2006 10:14 am)
#8 of 182 Re: LeSabre Gone Mad [pat] by ryanfiala81 Feb 01, 2006 (7:55 am)
Replying to: pat (Feb 01, 2006 4:33 am) Thanks for filling me in on the etiquette. Most of the time, I have an idea where my problem lies - with this one, though, it could be anything. You're probably right, though, that the people who can help me read them all. I'll be sure to post in one, or two max, from now on. I hope you can help, too. Replies to this message: pat (Feb 01, 2006 3:41 pm) ryanfiala81 (Feb 09, 2006 10:14 am)
#9 of 182 Re: LeSabre Gone Mad [ryanfiala81] by pat HOST Feb 01, 2006 (3:41 pm)
Replying to: ryanfiala81 (Feb 01, 2006 7:55 am) Let us know what happens!
#10 of 182 Re: LeSabre Gone Mad [ryanfiala81] by ryanfiala81 Feb 09, 2006 (10:14 am)
Replying to: ryanfiala81 (Feb 01, 2006 7:55 am) Problem solved on the stuck-in-first-gear, wild fuel gauge, and inconsistent pedal response problem. My friend who works at a dealership service department followed GM troubleshooting procedures for the codes I'd pulled, and we found voltage going to a pin on the PCM where there should not have been any. One used PCM reprogrammed from a Pontiac Grand Am later, and my car has never run better. Hopefully, if anyone else has the symptoms I experienced, they'll be able to save themselves quite a bit of aggravation, and go straight for the PCM.

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