Question about 2005 Buick LeSabre

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All lights work except low beam, checked fuses and there good, Is there a relay for the low beams other than the 2 fuses??

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The most likely cause is a bad multi-function switch which for ease of understanding is the turn signal switch which is also the dimmer switch. there is a procedure for checking this but if you are not skilled at reading a wiring diagram I don't recomend it.

Posted on Jul 09, 2010

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97 Tacoma has no low beams and high beams work fine except the indicator light in the dash doent work.


Ck the relay switch the high one to the low they are the same also I believe they are fused in the one fuse box under the hood behind the battery

Jan 22, 2015 | 1997 Toyota Tacoma

1 Answer

Is there any fuses or relays that are not in the fuse box on a 2002 buick rendezvousfor the bright lights


The high and low beam lights use the same power source, so if the low beams work the high beams have power.
There is a low and high beam relay controlled by the dimmer switch.
If the low beams work and the high beams don't, and the bulbs are good, check the dimmer switch and the high beam relay.

Aug 04, 2012 | Buick Rendezvous Cars & Trucks

3 Answers

I have a 2006 ford escape and the passenger head light low beam will not work. Tried replacing the bulb, and check fuses nothing is working.. what else can I try?


Both your low beam and your high beam is protected by the same fuse, so it makes sense that the fuse is OK if the high beam is working on the passenger side. There are 3 fuses for the headlamps. Fuse #13 in the Battery Junction Box (20 Amp). If this fuse is blown, the headlamp relay will not have any power and neither high nor low beam on either side will work (you will have no headlamps at all) Then there is Fuses #2 and #3 (15 Amp) in the Battery Junction Box. #2 goes to the left low and high beam and #3 goes to the right low and high beam.
The headlamp switch uses a SINGLE CIRCUIT to control BOTH sides at the same time, so if one side works, the switch cannot be the problem. The headlamp relay provides power for fuses #2 and #3 and we already ascertained that these fuses must have power since we have working lights on both sides, so the relay cannot be the problem. A replacement bulb has already been tried, so that pretty much leaves us with a bad lamp socket. (Most likely cause) or a bad connection at splice #S122, which is located in the main wiring harness near the breakout for the left headlamp. (RED/BLACK wire)

May 16, 2011 | 2003 Ford Escape

1 Answer

2003 envoy low beams will not work.fuses good,bulbs good,replcd turn signal assembly,not fixed.no relay in fuse box for low beams.only high beam relay.


For the I6 engine there is a relay for low beams, it's relay # 46. Switch it with relay #45 (runs the fan, same model relay) and see if your lights now come on. These 2 relays are the only 2 black ones in there (part # 15016745). Also, try to clean the contacts very well on the fuse box and the relay. If not, you may have some frayed wiring in the harness.

By the way, the high beam relay is #43, the gray one next to the windshield wiper relay #42.frontfuses.jpg

Feb 20, 2011 | 2003 GMC Envoy

1 Answer

Low Beams Don't Work!


There is more than one relay I know but make sure your bulbs are good I HAVE seen this happen more than once.. low beams can go at once.. and still have hi beams check this first please .. Jerry

Apr 22, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

Low beam headlights do not work. All other lights except low beams, even brights work!


most cars have a fuse or relay for high and low. if they are good test your bulbs then check or replace your dimmer which is in the multifunction switch

Apr 06, 2009 | Pontiac Grand Am Cars & Trucks

1 Answer

Turn head lights on every light works except low beams


thare is a high beam relay and a low beam relay in the fuse box find the low beam relay and replace it. if this dont work its probabley the switch

Dec 31, 2008 | 2003 Ford Taurus

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