ok guys so my question is I have a 2007 Lincoln towncar signature limited 4.6 that I just got a week or so ago Im supposed to take it Monday to get md state inspection! I checked over the car today to see what I could see that would be a fail as far I know everything looked good until I noticed I had the passenger side corner light wasn’t working !! Thought no big deal went and bought a pack of 3156’s and pulled the assembly out and replaced the bulb firstly I noticed it may have been a tiny lil fender bender but nothing too serious at all ! I tried the new bulb and got nothing cleaned the contact points inside the bulb housing got nothing even tried it on the other side that works to make sure I didn’t have bad brand new bulbs and they all worked fine ! I’m hoping the inspector lets me go as all the other Important lights work like the headlights all the turn signals the tag lights the tail and brakes lights all work as well even the corner light on the driver side works and I’m under the assumption that there not a necessity there there just to light up the turn a lil better hell most cars dont even have that feature ! I’m a nervous wreck tho I can’t afford to have it professionally diagnosed and fixed I’m disabled and on fixed income here and money is super super tight ! I go to a buddy’s tomorrow to use his test light or whatever there called to see if it has juice to the socket but I doubt it does or the light would be working anything else I should look for I don’t even know were to start really I looked for broken wires didn’t see any but I plan on going into it further tomorrow! Any ideas or help on what to do here guys ???!! anyone had this problem before ? I looked online and on here in towncar forums but no luck so far not even YouTube had anything on this specific issue ! I read it could be the turn signal itself the arm I’m guessing that unit but I really don’t have money to throw parts at it !! please I’m praying something gives here it’s bad enough I had a hard time getting a decent car and getting this thing tagged and all on a super strict budget not to mention you only get 30 days to fix n get your car inspected smh 🙏 please and thank you for any help in advanced and please keep me in your prayers everyone !! Could it be the actual assembly? The turn signal switch itself ? What do I do !?
The socket works as I told ya I cut it and wired it to the battery when I thought I could rig it before I knew about your test …wanted to make sure it wasn’t that bulb housing it is not …so I rewired the bulb socket back into the headlight assembly and now I’ll try the following of the brown n white wire like you said ! So basically the brown with white is a ground for the corner light ? And the brown is the power ! your saying my ground isn’t working or something like that but does it make sense that everything else works ? So I’m guessing the ground for the corner light is it’s own ground ?! Am I close or way off ? Thank you this really is helping me I’m understanding a lil more at a time … I’m hoping your right and I find this this break thats what I’m looking for right ? A break or tear in the brown wht wire ? is there a way to check the assembly could it be in there ? or I think your saying it’s from the turn signal switch up to the part that plugs into the hl assembly?! Just let me stop thinking and do what you told me to do if I don’t go back out tonite tomorrow I’ll go out first light and following the wire you told me to and then I’ll report back ! THANK YOU SO MUCH I HOPE YOU have a great nite and I’m grateful for your help !!
The ground WIRE is the problem. The ground on the switch end is good, if it wasn’t the other side and your signals would not work as it switches them the same way. What you have is a bad connection between the switch and that light somewhere in the harness. If the circuit was good the light would work, you just need to find the break or disconnected wire.