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2007 chevy trailblazer has no low beam headlights. Is there a fuse or is it a bad switch on the steering column

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Yes, there is a fuse for low beam. Should be under the hood.

Posted on Sep 05, 2010

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I have a 1995 Ford Explorer Limited and the high beams work but the low beams and fog lights do not, please help....


These trucks are known for bad multifuction switches.
the switch that i talk of is the signal switch , the handle is the switch, it bolts to side of steering column . this switch controls the signals and the headlights and high /low beams. the other thing is the headlight switch connector, the connector some times goes bad and starts to melt or just comes out of the connector. you will need to remove the cover to steering column, the screws are located under the bottom cover in holes. remove cover and check connector and then test for power if you have power going into switch but not coming out then switch is bad.

the last thing is to make sure the bulbs are good , make sure the headlight bulbs are good , and also the driving light bulbs, test for power at the connectors to those lights to.
You will need to do a little testing to find the problem.

Nov 22, 2012 | Cars & Trucks

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2001 chevy impala overhead light wont turn off


see this steps and fix it use the VOM or DVOM. God bless you
The Cause: Most likely no voltage to the headlights because of a bad headlight relay, fuse, module, headlight switch, dimmer switch or wiring fault.
To figure out what's causing your problem, start by inspecting the main fuse for the headlight circuit. See your Owners Manual for the location of this fuse. It is often located in the power center in the engine compartment, but may also be in the fuse panel under the dash.
fuse1b.jpg If the fuse has blown, replace it with a new fuse (same amp rating) and try again. If the fuse blows immediately, there is a short in the headlight circuit that will have to be found and repaired before the headlights will work. If the fuse does not blow and the headlights work, problem solved (for now). There may be in intermittent short or overload that caused the fuse to fail.
If the fuse if okay, use a volt meter or 12-volt test light to check for power at the fuse. Most headlight circuits are on (powered) all the time, so there should be voltage to the power side of the fuse. No power at the fuse would indicate a wiring fault possibly in the fuse block or in the wiring between the fuse block and the battery. You'll need a wiring diagram to trace the wiring circuit and find the fault.
relay_1a.jpgIf the fuse is okay and there is power, the next check would be to find the headlight relay or control module. If the system uses a relay, pull it out and shake it. If anything inside rattles, replace the relay. Or buy another relay and plug that in to see if that restores power to the headlights.
On systems that use a module control module or daytime running lamps, about all you can do is eliminate other possibilities such as wiring faults, a bad relay or headlight switch first. If the module is getting power when the headlight switch is turned on, but the headlights fail to come on, the problem is likely a bad module. The module may be located in the front area of the engine compartment (common on Fords), under the dash or elsewhere in the front of the vehicle. You will probably need to refer to the vehicle service literature to find the module's location.
If the headlight relay or module do not receive voltage when the headlight switch is turned on, a bad switch is your problem. Switches get a lot of wear and tear, so it's not unusual for a switch to wear out after many years of service. Replacing a headlight switch can be difficult depending on whether is it located in the instrument panel or on the steering column.
If your headlights work on low beam, but you have no high beam, or they work on high beam but there is no low beam, the most likely cause is a bad dimmer switch. The dimmer switch is integrated into the steering column mounted headlight switch on most vehicles, so if the dimmer is not working, you will have to replace the entire switch.
DO NOT attempt to replace a steering column mounted headlight switch without first disconnecting the battery and waiting at least 20 minutes for the capacitors in the airbag circuit to discharge. The steering wheel will have to come off to replace the switch. Crossing up the wrong wires in the steering column could set off the air bag and cause personal injury.
If a headlight switch looks like it will be difficult to replace, don't try to do it yourself. Take your car to a dealer or repair shop and have them replace the switch for you.

Oct 16, 2012 | 2004 Chevrolet Impala

1 Answer

I have no low beams headlights on my 2007 Chevy Trailblazer


I would check to make sure they are not burnt out, Then check my fuses, then check my switch.. It is a matter of elimination

Sep 05, 2012 | 2007 Chevrolet TrailBlazer SS

1 Answer

I have no low beams on my 2007 chevy trailblazer


If the bulbs are good, it could be the dimmer switch portion of the multi-function switch, or the body computer. There is a 15amp fuse that powers the low beam relay in the fuse and relay box in the engine compartment. The body computer gets a signal from the dimmer switch and activates the low or high beam relay.
You may need a book with wiring diagrams to test the circuits.

Sep 05, 2012 | 2007 Chevrolet Trailblazer

1 Answer

My 2001 chevy silverado's low beams don't work. I


The wiring for the low beams would run not to the ignition, but to the dimmer switch. I don't know what color they are, but sounds like you are at the source of the problem, if the low beams quit when the column is let down. Pull the trim pieces off the steering column and examine the wires going to the dimmer switch. You may see some wiring insulation scraped off. It could be a bad dimmer switch, but check the wiring first.
Good luck.

May 03, 2012 | 2001 Chevrolet Silverado 1500

1 Answer

I have a 2001 ford explorer sport with no high or low beams. when i pull the signal/wiper arm towards me i get the "passing" high beam but other than that i am running on just fog lights. fuses...


yes, ideas,your headlight switch on the steering column may be going bad. try tilting your steering column up and down while pulling headlight switch on, do your headlights turn on and off by them selfs? careful!! this is a hot or positive wire grounding to metal,which could lead to a fire in the steering column!! do you ever see,or smell smoke coming from the steering wheel? if you do,disconnect the positive cable from your battery immeadiatlly!! the only way to replace the switch is the removal of your steering wheel,if you are'nt mechanically inclined,i recommend you get a 2nd opinion and go forward with your problem as it can lead to a fire in your steering wheel or fuse panel! if all your fuses are good,and only have fog lights,but no low or high beams,but pull back on the turn signal switch,you have a problem with the headlight switch.located on the 'turn signal,high beam,low beam switch' on the steering column. the only way to repair,is replace it. sorry!! can recommend autozone auto parts,advance auto parts or try used parts place.but if you are keeping the car,recommend"new" part replacement. thank you for choosing fixya.com!!if we can be of further assistance,please repost your questions to fixya.com!

Jan 19, 2011 | 2001 Ford Explorer Sport

1 Answer

NO headlights. Could a timing belt issue be the


absolutely not the timing belt has no connection to headlights,first locate and check any headlamp related fuses located in either fuse box underhood or in dash area if no lights on high or low beam may pull headlight bulbs and check unlikely both go bad @ once this may end up being multifunction switch on steering column your turn signal lever is what you pull back on to switch rom high beam to low beam correct? if so this switch can cause your problem

Mar 31, 2010 | 2002 Hyundai Santa Fe

1 Answer

Low beams quit, high beams ok.


You have a separate fuse for the high beams and the low beams. Fuses are located in panel in driver's side of dash concealed when door is closed, or in the power distribution box under the hood on the driver's side. You have separate lamps for each (not likely since they both went out together).
The worst thing it could be, and it is very expensive for parts/labor (and you don't want to tackle this one yourself unless you are a good mechanic) is the column-mounted dimmer/cruise/wiper/washer/turn signal switch. The part alone is almost 200 bucks, and installing it requires dismantling the steering column inside the SUV.
Hope it's not that.

Feb 22, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

Is there a fuse for the low beams on a 2007 dodge caravan? i've never lost both low beams at the same time before and just wanted to check fuses before tackling bulb replacement.i've checked the owner's...


Without standing there. Sound like the Multi-function switch. This is the switch that turn your HI beams & turn signals. Play with the switch on/off to see if you can get them to change to lows. I would still change the switch. To change. disconnect the neg. batt cable, remove the 3 bolts from under the steering column cover & remove. Disconnect the elec conntector. Remove the 2 screws holding the switch.

Jan 25, 2010 | 2007 Dodge Caravan SXT Minivan New Cars

1 Answer

2003 trailblazer low beam headlights go out


Check your dimmer switch on your steering column. Your plug may be loose or not getting a good connection. Your dimmer switch may be going bad as well. The same thing happened on my 1994 Chevy, but the lights never came back on, on mine. I found that the dimmer switch had gone bad. If this is the case, I recommend buying one from your local chevy dealer and spending the extra money. I went through two that I bought through napa before buying a OEM replacement because the napa ones just didn't last.

Jun 10, 2009 | 2003 Chevrolet TrailBlazer

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