ok so i have noticed at night if i am sitting still, then slightly give my truck some gas i notice my lights get brighter then when i let off they get dimmer again.. how do i fix this or is this normal??

 

Normal

 

cause your idel goes down and the alt is not putting out more power as it does when your driveing!

 

normal

 

When you give it gas it spins the alternator faster... That's why they get brighter. You're good to go bud!

 

That is not normal. You alternator should be able to handle the standard load of the vehicle's stock lighting and a little extra lighting at idle. I have two 130 watt off-road lights on the front of my truck truck and they don't change between idle and reved up. You should have your alternator and battery tested by a reputable autoparts place. I'd bet on the battery.

 

mine is doing the same thing. its not normal. i just need to get my alternator replaced.

 

hehe so i still have both sides here... i am a total moron when it comes to this stuff so i am still lost some say normal some dont...

 

Its not normal. Mine never did that before. Something is wrong, go to AutoZone and have them test your battery and alt, they do it for free. When I had Halogen bulbs even when my fog lights on, I never had that problem.

 

It is only normal if it has been broken so long that you don't think there is anything wrong

Something is wrong. Get it checked.