Headlights on my '99 Grand Marquis LS are very dim ... do the bulbs go out over time or all at once ... what replacement bulbs will give me the most light ... what about the conversion kits to the new blue lights
Bulbs -usually burn out, all at once,haven't you had that happen
Blue Bulbs- are illegal in most states & you asked about the most
light. Won't get that from some aftermarket fancy color gimick
So Dim Lights--that is a problem obviously
You will have to have that diagnosed,I won't guess
at it. Only visual inspection & testing will establish why their dim
SOURCE: 2003 Grand Marquis headlights will not function in
have you checked the ground for the headlights
SOURCE: 1998 Grand marquis
had same problem. the switch for the light is in the door handle mechinism. I sprayed all four door latchs with wd 40. turned out it was one of the back doors. hope this helps
SOURCE: 2004 merc grand marquis. how to adjust headlights, replace turn s
ther is a plastic guard with 3 locking caps that need to be turned clockwise a quarter turn to remove. remove from the front. you will then have be able to see and have access to the lights and adjustment screws
SOURCE: How to reset Check Engine
You can remove the NEG battery terminal for 10 minutes and it will clear. Or go to Autozone or Oreillys for a free scan, find out why it came on, then have them clear it with their scanner.
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