Question about 2002 Pontiac Grand Am

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Low Beam Lights Won`t Work

I have a 02 Grand Am and my low beam lights won`t come on however my high beams and fog lights work find.

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You need to change the dimmer switch it has gone out

Posted on Mar 09, 2009

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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

High beam indicator comes on with fog lights


Could your Mazda have daytime running lights? If you checked all fuses, did that include the three in the joint box?

There is an auto light-off control module that is central to all functions you describe. It is assumed that you would only turn on the fog lights with headlights on and set for high beam. If you set the headlight switch to LOW, the module closes the headlight relay to turn on the low beams. If you then turn the headlight switch to HIGH, the module turns on the high beams and allows you to turn on the FOG LIGHT switch, closing the fog light relay and turning on the fog lights. Since this sequence is not working, I suggest checking both high beam lamps as both could be burned out. Other possibilities are a defective headlight switch or the module

Oct 01, 2012 | 2005 Mazda 6

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

When lights are on low beam the fog(driving) lights workbut do not work on high beams.Can this be fixed so they work all the time


it is illegal in europe/japan for these foglights to work on anything BUT low beam.as the light spread from these would be defeated if main beam were on in foggy situations.in other words pointless having them switched on.you could always fit accesory spots/driving lights.(like rally cars)but these MUST only come on with high beam.(so you dont blind oncoming traffic.)

Oct 21, 2010 | 2008 Mitsubishi Eclipse

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

High beams work but not both low lights do not work?


assuming you have checked the low beam fuses and assuming the fog lights do not work then you either have an defective combo switch or an open between the switch and the headlamp low beam circuit

Sep 15, 2010 | 1994 Honda Civic

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