Question about 1998 Buick LeSabre

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Turn Signals won't come on at all.

On my 1998 Buick Lesabre neither of my turn signals will come on at all. My four way flashers will come one and blink just fine. I have checked the fuses and the bulbs and all is good. The book and a friend of mine said that it was a relay. I went to Napa store and the guy there told me that they don't make a relay like that and insisted it was a flasher but the part he showed me I haven't seen anywhere on my vehicle. If that is the right part, then where the heck does it go? If you think its a relay then where does that go. I thought the housing assembly that has Master Relay printed on it was where the relays were located. I could really use some advices.

Also, the radiator fan is not longer spinning...any suggestions on how to repair that separate matter?

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  • Buick Master
  • 632 Answers

It most likely is the turn signal flasher. They are usually tucked somewhere under the dash. Listening to the 4way flasher may give you an idea as to its location. Also feel for the clicking of the 4 way flasher the turn signal flasher is usually near it.

Posted on Jan 20, 2013

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

cecandtylers
  • 4 Answers

SOURCE: Right turn signal not flashing on 1992 Buick LeSabre

Back in the late 80's early 90's GM's turn signal switch in would get loose afetr some use and one side or the other turnsignals wouldn't flash or only the third bake light worked and/ or you couldn't flip your headlights to high beams and have them stay on without holding the turn signal arm back. Perhaps if turnining the bulb over as Mr. Scary suggested proves fruitless. and you may explore that option. Get an assistant and have him watch your blinkers tailights etc. and turn your blinker on and push the blinker arm firmly toward the dash and see if that resolves your problem.

Posted on May 02, 2009

  • 25 Answers

SOURCE: 1990 buick lesabre turn signals don't work,hazard

I think that your flasher is bad I believe that the 4-ways flasher is a seperate flasher unit it should be in the fuse box and look like the 4-way flasher , to find the flasher turn on the 4-ways and you can feel it or hear it flashing and lok for the flasher for the turn signals
Mike

Posted on Jun 27, 2009

  • 286 Answers

SOURCE: Turn signals and 4-way flashers do not work - 1997 Buick Century

Time to change the flasher unit, it's usually close to the drivers side of vehicle and behind a fuse box access panel and will have something like "12v 23/98W " on it. It's a largish cube shaped componant and may be water damaged !

Posted on Apr 11, 2010

  • 2309 Answers

SOURCE: 1990 buick lesabre turn signals

you need to replace the signal flasher

Posted on Oct 31, 2010

mc1bean
  • 3053 Answers

SOURCE: I have no turn signals

Hello,

I read your problem: I believe I can help you.

First of all lets start at the beginning some, shall we.

Normally when a person has no turn signals, but still has running lights or break lights, but no turn signals, is do to the flasher is out. And yes you replaced the flasher as you said. Sometimes what happens also is a ground issue problem. A LOT OF TIMES, it is not the flasher at all. I will explain.

Sometimes when flashers stay on or go real slow or out completely is cause from a short, ground problem or bulb is out of course. What you do, is where all turn signal bulbs are, on front and back, take the bulb out, make sure of course the bulbs are of course working, and where the bulb goes into the socket, make sure is good connection, with no corrosion or any of the inside socket prongs not making good connection. Now, this is something else to look at. A lot of times, the bulb might be good, but on the bottom of the bulb there is little piece your notice of aluminum that is what makes the connection. Sometimes what you can do, if you are sure the bulb is good, is on the bottom of the bulb is take your self a small piece of sand paper and just lightly rub sandpaper over those little aluminum points and it will clean them up to help with contacts, as long as the little prongs that it goes into are not smashed or corroded.

I guess what i am saying, is sometimes what cause your problem is not the flasher, can be a ground short, or not making a good connection at one of your bulbs, which YES, it would through off the whole system circuit, which would cause it to blink slow, or even work now and then, and then eventually stop. Reason is would blink slow or worse is because the short or bad connection will disrupt the circuit. Oh, and by the way, as far as checking the fuse in back of the fuse box, i have no idea what that person is talking about. Your turn signal system is made up of a pretty simple circle. Which means, you have of course your 12 volt wiring, you have your bulbs and the receptacle they go into and of course you have your flasher itself, and last is your fuse in your fuse box that controls your signals. So, if you have replaced flasher great, Now, here is the thing, after replacing flasher look in your fuse box, should have a fuse market that says blinkers or break lights they are normally on the same fuse, as well as your bulbs if are two element or designed for combination break and turn using same bulb. If the turn signal bulb has one element inside bulb, then they breaks are on separate bulb.

CONCLUSION: Check flasher ( which you replaced) Check fuse for signal/break light in fuse box. Check bulbs, end of bulbs and contacts of where bulbs go in receptacle and finally trace all wires if possible that go into the back of the turn signal receptacle for any loose or partially cut or broken wire, which would of course cause short out.

I hope this information has helped you to solve this problem. I think it will, Mike from Fixya

Posted on Aug 17, 2011

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