Question about 1999 Chevrolet Silverado 1500

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Low beam prob on plow light

Good bulb new changeover module no broken wires i can see

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  • lavelle916 Jan 13, 2009

    thanks replaced both at same time . The prob was the big plug not in all the way thanks

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There should be 2 modules did you test both

Posted on Jan 11, 2009

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Passenger low beam won't light. New bulb did not help, fuses are good. What else can I check ?


low beam won't light Richard, faulty bulb socket module or wires, check and repair.
Check the attached links,instruction and guides, Good luck
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Plz check and follow the wiring to low beam to ensure they are making a good connection. Also, you may want to pull other low beam bulb and put in place of this one to ensure that it is not the bulb. Hope this helps.

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I have a 2006 PT Cruiser that the left low beam headlamp bulb blew out; I purchased a replacement bulb and replaced it, the bulb would not light, so I then swapped the bulb from the right side with the...


This is a legitimate problem with light bulbs on Chrysler products.. The best resolution is to purchase a used module from a salvage yard to replace yours which is very much cheaper to do

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One highbeam light was very dull like a semi broken wire, so i rewired the bad side to the good side it worked for a couple of flashes to test , high low beam , then no high beam lights at all, are they...


you have a wiring problem, look up cavalier headlight wiring on the internet, there is a harness connector under the battery that sometimes goes bad, or the wires are broken inside the insulation, usually in the front harness, the head lights hi and daytime lights are controlled through the ecm and low beam is on a separate circuit, i have also found problems in the switch or the drl module in the fuse box, any mor questions mail me

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My truck is actually a '95 C1500 but I understand that they were the same model from 88-98. I have 2 problems - both electrical. On a recent trip, I lost both low beam headlights at the same time. ...


There could be a fuse for each low beam light either under the hood or under the dash. If not, then prob both low beams are bad.

If you have daytime run lights, the following may be of help.

There is a daytime running light module that controls both low beams and the daytime running lights. The low beam bulbs may be OK. The high beams will work fine as they are not controlled through the module.

It may be possible to disable the daytime run lights by cutting the yellow wire going into the module and then connecting it to ground. Tape off the other end.


This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya

Mar 03, 2010 | 1998 Chevrolet C1500

1 Answer

Ford 2003, F250 Desel, 7.3 Liter Head lights


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IS THERE A HEADLIGHT RELAY FOR HIGH/LOW BEAMS, OR IS THAT THROUGH THE MULTIFUNCTION SWITCH IN THE TURN SIGNALS ON THE STEERING COL. HAVE AN ALTERNATING PROBLEM. I HAVE HIGH BEAM ON FRNT. RIGHT,NO LOW BEAM...


Headlights in my '03 Jeep Cherokee are through a relay, both both light's are on the same relay I believe.

I would be suspect of any added modules which drive the headlights. Hopefully, they didn't "splice" in, but used one with factory connectors, so you can remove the module and reconnect the connectors as the vehicle was shipped from the factory.

When it's all said and done, you really need a wiring diagram for the vehicle. I can get one for my Jeep at the local repository library. Don't know about your truck. You may be able to find a diagram through some hard searching on the www.

Let me know if you need someone to bounce thoughts off of.

Dec 10, 2009 | 2004 Dodge Ram 2500

1 Answer

Low beam dosent work. bulb is good highbeam works cant find fuse for lights. its not underhood


Hi,
It has been because the lamp bulb or halogen lamp module has reached the end of its serviceable life, not because of any wiring problems. Low beam burns out first because it is on the most. If low beam is lost simultaneously in both headlights, I would check fuse first, then the headlight switch. If low beam is lost on one side only, it is almost always going to be due to the bulb or lamp module needing to be replaced. In that case, replace them in both headlights because the other one will be going kaput in short order, as well.
Most like the low beam filiment is bad but the high beam filiment is still good, try replacing bulb. If replacing bulb does not fix problem then you probably have voltage problems and should check the voltage reading and the plug.
OR
isolate the wire that comes from the headlight switch to the headlamp bulbs for low beam and check to see if there is a short in the wire. You can find this wire by using a test light turn on the key and get a good ground with the test light poke the wire and see if the test light illunimates with the headlight switch on.
check the wires, and check the fuse for your lowbeams. could of blown a fuse on your lows, but your highs will still work.

The fuse box is located in the engine compartment,on the driver's side. Has thumb-screw retained cover.
Thanks for contacting fixya.com

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3 Answers

No low beams on my 2002 jetta but daytime running lights work


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