Question about 2005 GMC Envoy

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Lights---low beams are blowing out, and often I have no low beams, but can get the high beams. Fog lights work. Have had two new bulbs in four weeks.

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You may have defective bulb sockets that may have overheated and are now deformed or corroded. Replacement socket pigtails are available at auto centers or parts store. Recommend getting ceramic sockets, these will not deform.

Posted on Oct 11, 2010

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Have a dirt bike with headlight. Three wires for hi/lo, how do I put two fog lights in place of that head light without too much wiring work. I don't need hi/lo option


one wire will for high beam
one wire will be for low beam
the last wire will be ground wire
as fog light have only one beam you can use the low beam wire and parallel wire it to the fog lights
that way you have the head lights still and the fog lights as accessories correctly wired according to regulations
how to do it simply-- find the low beam power wire ( light switch on low beam and power at the light bulb check ed with a multi meter set on volts
solder , piggy back, or double plug in a connection into that wire and run one wire to the left fog light and one to the right fog light connect each fog light to an individual ground wire and connect those wires back to the ground wire for the main lights
Now having done that simple addition to the lighting system another problem has come up
The wiring will now be too light to carry fog light current and or the light switch will burn out
To over come this problem, the circuit needs a relay
fit a relay on the bike and now run the low beam wire to a terminal of the relay
run the other terminal wire to ground
this enables the relay to operate when the low beam is switched on but at this will not switch on the lights yet
now you have to run a heavy gauge wire (fused at the battery) to one of the power terminals of the relay and from the other power terminal to the connection for the fog and low beam lights
Now it all works switch on the high beam and no for lights
change to low beam and the fog lights come on as well
All nice and legal
Of course if you don't care about being legal just buy a 30 amp toggle switch and run a fused wire directly to the switch from the battery to the lights and then to ground from the lights
You will know that the generator / alternator for the bike will not be able to run the fog lights with or without the main lights so what will you have achieved

Feb 28, 2016 | Cars & Trucks

1 Answer

Main beam lights not working


It's possible the "main" lights elements have burnt out.
I believe it's a single bulb per side with both high and low beam elements inside.
Try replacing a bulb and see what that does.

Mar 15, 2014 | 2007 Ford Fiesta 1.4

1 Answer

High Beams and Fog Lights on 2004 Pontiac Grand Am do not work


You can not have High Beams on and FOG LIGHTS at the same time. The Body Control Module controls this. You may have a bad Body control Module

Feb 12, 2014 | Cars & Trucks

1 Answer

GMC Envoy 2003 SLT only the parking lights and fog lights work. The low beam and high beam don't work. Please help


Well, the problem is that I dont know the reason, you should investigate. There could be issues with lamps (must get new) or electricity problems (must head to auto-service)

Jun 29, 2012 | 2003 GMC Envoy

1 Answer

Headlights went out. Replaced bulbs and switch and still lights don't work. Fog lights and high beams work? What else can work?


If high beams work and low beams do not, then it is probably the high/low relay. It is part number 15016745 and has four prongs. To test if your relay has gone bad locate the relay in your fuse box. There will be two of these relays located next to each other. One controls the low beam headlights and the other the cooling fan. Swap the relays and check your low beam headlights. If the low beams work you have a bad relay.

Sep 20, 2010 | 2006 GMC Envoy

1 Answer

Low beams stopped working but all other lights work


Need to have an electrical shop determine what is wrong.

It could be a fuse for the low beam headlamps that has blown,
or a relay has been overheated.

Check that the bulbs for the low beam aren't blown out, possibly
simultaneously.

Jul 08, 2010 | 2004 GMC Envoy

1 Answer

LOW BEAM HEADLIGHTS DON'T WORK FUSES ARE GOOD AND LIGHTS KEEP BLOWING OUT --HIGH BEAM LIGHTS,FOG LIGHTS,AND CRIUSE CONTROL ALL WORK FINE.HOW DO I FIX THIS PROBLEM.


If you are handling the bulbs with your bare hands that is why your bulbs keep blowing out. use a washcloth to put the bulb in or rubber gloves, anything that will keep your hands from touching the bulb.

Oct 05, 2009 | 2003 GMC Envoy

1 Answer

Low beam not work !!


replace the headlight bulbs. Usually when the bulbs blow out the low beam blows out first, but the high beams still work. If you want and need both low and high beams to work then replace the headlight bulbs with brand new ones and I garauntee that both low and high beams will work

Mar 27, 2009 | 1999 Dodge Caravan

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