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No it's not a blown turn signal bulb

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4.9K views 1 reply 2 participants last post by  Rockster  
A
#1 ·
I own a 2014 Challenger SXT 3.6L and a week or so ago my right front turn signal started doing the rapid flashing when in use, then it stopped. It started back up a few days back so I ordered replacement bulbs thinking my bulb must be burnt out. I changed the bulb, checked all bulbs using my hazards (all flashed in unison) went to town, and realized it was still doing the rapid flashing when the right turn signal was engaged. I came home and changed the driver side turn signal bulb just in case and again did the hazard flash test. Once again, all lights flashed in unison at the regular speed. Then I flicked the right turn signal on.... it was normal for a blink then went on to warp speed blinking. Any ideas on what is causing this? I bought it used and apparently the previous owner didn't think I needed an owners manual, I pulled up a PDF online several times but have found nothing in regards to fuses, relays, or anything else electrical that may be causing this. I refuse to take it to a dealership if it is something I can do myself. Please help....
 
R
#2 ·
Had a heck of a time with a turn signal bulb in one of my cars. Long story short for some reason the bulb was not making good contact. I had to resort to removing the headlight assembly -- which fortunately came out of the car easily enough -- then in the lab (this at the office) use a volt/ohm meter to confirm the bulb was making good contact. Then after I installed the headlight assembly back in the car the bulb worked just fine.

But even so after some time -- generally a long time months and I seem to recall extremely high temperatures played a role -- bulb would go dark again and I'd have to do the whole silly procedure all over again. (A new headlight assembly was $2000+!)

Be sure the bulb socket has no corrosion and the bulb fits securely. While the bulb may fit in the socket two ways -- with the bulb turned 180 degrees -- only one way is probably the right way. You might need to use a volt/ohm meter to confirm the bulb is properly seated/inserted.

If not the bulb there is a turn signal flasher module that exists but where you need a manual to know. It probably is located in a fuse/relay like electrical box under the dash close by the steering wheel column but where and which of the several modules in it is the flasher module you'll need a reference.

The less probing/disturbing you do to things under the dash the better.
 
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