Question about 1990 Buick LeSabre

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My 1990 flasher circuit will not work. The directional signals light, they just will not flash. I have replaced the relay, there is no change. The fse is good, otherwise the lights would not light. Do hae any ideas what tis culd be? Sincerely, Richard Smith

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You need to replace the turn signal flasher canister, should be around steering column left side if dash.

Posted on Mar 16, 2011

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How do i change a turn signal relay on a 2000 Chrysler Concorde


The Combination Flasher, also referred to as the combo-flasher, is mounted to the in-line bracket which is located to the right of the Junction Block. The flasher can be removed by pulling in a rearward direction. The left under panel silencer duct must be removed to access the flasher. The combo-flasher is black in color for ease of identification.
The Turn Signal and Hazard Warning Flasher is combined into one unit called a Combination Flasher (Combo-Flasher). The combo-flasher controls the flashing of the hazard warning system and the turn signal system. An inoperative bulb or incomplete turn signal circuit will result in an increase in flasher speed.

Ref: http://www.10w40.com/questions/auto-repair-questions/where-is-the-flasher-relay-on-a-2000-chrysler-concorde
Good Luck

Mar 03, 2015 | 2000 Chrysler Concorde

1 Answer

Silhouette 1990 where is the turn light flasher ,


you probably replaced the hazard flasher thinking it was the signal flasher as they look the same. look for the other flasher that you didn`t change.

Sep 12, 2014 | 1990 Oldsmobile Silhouette

1 Answer

Hasards dont come on on a 2000 isuzu trooper


No need to panic-this can SEEM TO be caused by a couple of things, but it is fairly simple to determine exactly what is causing this flasher circuit condition.
First, turn on your flashers, however you have to do it, and walk around the truck to check that all bulbs are working (at least one on each corner). Turn signal and hazard flasher relays are thermal circuit interrupters and are current sensitive and will not work properly with too few or too many bulbs in the circuit. (This is usually a big problem when switching over to LED lamps, as LEDs only draw a fraction of the current that the bulbs do. This causes the relay to either not flash at all or flash very fast and triggers warning circuits on newer cars) If there is one or more bulbs out, they must be replaced.
That being said, I doubt that alone is your problem. Here is a general automotive wiring primer aimed at the turn signal, hazard, stop, and running lights on most all motor vehicles.
Hazard flashers are required by D.O.T. safety standards on all motor vehicles that may ever be used anywhere near a public road. They are also required to be able to be used without the ignition key. This means the flasher circuit for hazards is fed thru a fuse that connects straight to the battery and is energized at all times.
Turn signal circuits often share the same flasher relay as the Hazards, even though the power for them is switched through the ignition key. Power for directional blinkers connects to a fuse, then the ignition switch, then to the battery.
So, if you have to turn on the turn signals (is the key on?) to get hazards to work, that means they are not getting power direct from the battery, but can get it when the turn signals are on because they both use the same relay. This is usually the case on all vehicles; If 4-way flashers and turn signal are both on at once, the 4-ways override the turn signal and force all signal bulbs to flash. The turn signal never forces one side of the hazards to stop blinking.
So, where does that leave us? You simply have a blown fuse, my friend. The hazard lamps fuse may also power the cigarette lighter, dome light, or other "always on" accessories. This varies with make & model, but the Hazard Lps fuse is usually well marked in the fusebox. If the fuse blows again shortly after being installed, do not put in a larger one! Try one more. If it also blows immediately, there is a problem with the wiring, or a bulb could be in wrong and shorting to the socket ground. Try removing all the flasher bulbs and trying the switch(it won't flash or "tick-tock") again. If the fuse does not blow, you have found the problem. Good hunting!

Apr 15, 2013 | 2000 Isuzu Trooper

1 Answer

Signal lights don't flash


Change the signal light flasher. I'm not sure exactly where it is but it is more than likely under the dash near the steering coluum or close to or in the fuse box. Good luck!

Jul 25, 2010 | 1990 Jeep Comanche

2 Answers

2000 toyota camry turn signals not working. Fuses check out and bulbs good.


Hi, i recommend testing the switch and flasher module. i will post the testing procedures for both devices. replace the device that is faulty.

To test turn signal switches, use a 12-volt test light to probe for voltage into and out of the switch. The ignition switch must be in the RUN position for the circuit to operate. If voltage is present on the input side of the switch but not on the output side, the switch is faulty.

FLASHER TEST PROCEDURE---
  • A test light can be used to determine which flasher is used for the turn signals and which is used for the hazard warning light.
  • An easier way is to turn on both the directionals and the hazards. This activates both flasher units.
  • By removing one of the flashers, the affected circuit no longer flashes.
  • Therefore, that flash unit controls that particular circuit.
  • If the turn signals fail to operate and the fuse is good, the flasher has probably failed.
  • Occasionally, the flasher does not flash as fast as it once did, or it flashes faster. This is also cause for replacement.
  • If it flashes too slowly or not at all, check for a burned-out bulb first.
the flasher is located in the Front seating area, driver side, driver side of steering column, mounted in corner behind instrument panel

If the turn signals operate properly in one direction but do not flash in the other, the problem is not in the flasher unit. A burned-out lamp filament will not cause enough current to flow to heat the bimetallic strip sufficiently to cause it to open. Thus the lights do not flash. Locate the faulty bulb and replace it.

May 19, 2009 | 2000 Toyota Camry

1 Answer

Flasher fuse


On the pass. side beside the glove box (when open) there is the fuse box. above or beside the fuse box is the relays for the turn & hazard signals.
You may have to remove the glove compartment all the way over to the ash tray that whole assembly comes out look up where the glove compartment used to be. You will see the relays. Use your owners manual it will point you to the flasher relay.
If your turn signal is not flashing, replacing the flasher or relay might not fix it. Especially if one side flashes and the other doesn't, there is probably a short or corroded wire somewhere in the circuit. Refer to a wiring diagram to test with a test light. 
Good Luck and hope this helps

May 03, 2009 | 1990 Dodge Dynasty

1 Answer

My directionals won't work


The fact that other than the turn signals themselves, everything else is working indicates to me that htere is something manually mechanical, not electrical casuing your problem. If you replaced the switch mechanism it is possible that in doing so the lever itself was set out of position and cannot operate the signals as it should, or the contact points on the switch itself are not meeting the way they should when the switch does go into position.

Jan 12, 2009 | 1990 Chevrolet Suburban

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