lights go dim at stop lights

[JUST4FUN]

With both front and rear blowers on and headlights on when i stop at red lights everything goes dim. Then when i go again
everything gets bright. anyone have this problem?

Expedition:shootout:

 

[falcn]

Get a new battery quick - or check your alternator.

 

[mustangrfast88]

i would say you nee a new battery and it is probley the stock battery and if so get it replaced and then check your alternator output my truck was doing the same thing and it was the battery was dead and i replaned with the biggest battery i could find and now no more problems