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post #1 of 15 (permalink) Old 01-26-2015, 11:04 AM Thread Starter
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turn signal woes...

Hey all new member in need of some assistance. I've searched to no avail...

So a little over a week ago I was driving back from a friend's house. Suddenly I hear one "ding" from the instrument cluster like the low gas indicator. Half a tank, so I knew it wasn't that. Then my left turn signal began blinking rapidly. There's no message, nor check engine light. I checked both turn signals, and the rear is the problem. The running light works, but not the turn signal. Pulled apart the driver side rear taillight, and pulled out the socket. Bulb was fine, though the socket appeared like it was burned. Replaced the socket, still the same issue. Is there a relay or something somewhere in-line of the wiring harness? I really don't have even the $200 for the deductible to get this thing figured out.

2008 Jeep Patriot Sport 2.4L it's something special, as the VIN was needed to even get the correct socket for running/turn signal lamp. Any help or ideas are greatly appreciated!
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post #2 of 15 (permalink) Old 01-26-2015, 11:13 AM
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It wasn't the socket, they discolour from the heat from the bulb.

If your description is correct, you have laid out the classic burnt out filament in bulb.

You have a single bulb that handles the run, brake, turn function.
The "message" is in the rapid blinking...its the turn portion that is gone.

Buy bulbs in pairs and replace both sides or the new one will be much brighter than the old.
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post #3 of 15 (permalink) Old 01-26-2015, 11:24 AM Thread Starter
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The bulb has two filaments. Both are intact. I'm sure it's a short somewhere, just hoping for an idea where to begin looking for it. This bulb only operates running light and turn signal. The front turn signal still works, though as said, blinks rapidly though only after the chime from the instrument cluster.
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post #4 of 15 (permalink) Old 01-26-2015, 11:31 AM
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I am selling a pack of two amber LED's with 2 load resistors. Will be the last set of blinker bulbs you will replace on your Jeep. My post is in the for sale forum.

Religion has convinced people that there’s an invisible man…living in the sky, who watches everything you do every minute of every day. And the invisible man has a list of ten specific things he doesn’t want you to do. And if you do any of these things, he will send you to a special place, of burning and fire and smoke and torture and anguish for you to live forever, and suffer and burn and scream until the end of time. But he loves you. He loves you and he needs money.

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post #5 of 15 (permalink) Old 01-26-2015, 11:39 AM
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Quote:
Originally Posted by amplesound View Post
The bulb has two filaments. Both are intact. I'm sure it's a short somewhere, just hoping for an idea where to begin looking for it. This bulb only operates running light and turn signal. The front turn signal still works, though as said, blinks rapidly though only after the chime from the instrument cluster.
Where you begin is by replacing the bulb.
Don't make a mountain from a mole hill.
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post #6 of 15 (permalink) Old 01-26-2015, 11:57 AM Thread Starter
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No sense in replacing the bulb if both filaments are intact. Oddly enough just found an old thread similar issue, though no resolution, as I do not have a hitch on mine.
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post #7 of 15 (permalink) Old 01-26-2015, 12:02 PM
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Very possible to have a bad bulb even if the filaments look good, unless you've tested it with a meter. If you don't want to buy another bulb just swap them from left to right lights and see if it corrects the problem.

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post #8 of 15 (permalink) Old 01-26-2015, 12:38 PM Thread Starter
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Alright, my bad... Where's my sign? Put the suspect bulb in the passenger side, sure enough same issue. Now I have to hope I can find the right bulb at a regular auto parts store. The replacements I'd bought aren't correct, even though the book and their computer said so. Thanks guys, not trying to be a pain, and I'm definitely pleased it is the bulb and not some wiring/electrical issue!
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post #9 of 15 (permalink) Old 01-26-2015, 02:24 PM
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These are for a 2012, not sure if yours are the same:

LIGHT BULBS – Interior Bulb Number
Front Header Lamp . . . . . . . . . . . . . . . . . . . . . . T578
Center Dome Lamp . . . . . . . . . . . . . . . . . . . . . . T578
Rear Cargo Lamp/Flashlight. . . . . . . . . . . . . 8–A35LF

LIGHT BULBS – Exterior Bulb No.
Low Beam/High Beam Headlamp . . . . . . . . . . . . H13 55w
Front Park/Turn Signal/Side Marker Lamp . . . 3757KA
Front Fog Lamp . . . . . . . . . . . . . . . . . . . . . . PSX24W
Center High Mounted Stop Lamp
(CHMSL) . . . . . . . . . . . . . . . . . . . . . . LED Assembly
Rear Tail/Turn/Stop Lamp . . . . . . . . . . . . . . . . . 3157
Backup Lamp . . . . . . . . . . . . . . . . . . . . . W16W (921)
License Lamp. . . . . . . . . . . . . . . . . . . . . . . . . . W5W


Last edited by griff; 01-26-2015 at 03:23 PM. Reason: typo
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post #10 of 15 (permalink) Old 01-26-2015, 02:36 PM
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3157 should be what you need for the rear bulb.

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post #11 of 15 (permalink) Old 01-26-2015, 02:50 PM
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3157's fit all 4 of my turns in the 2014.

Religion has convinced people that there’s an invisible man…living in the sky, who watches everything you do every minute of every day. And the invisible man has a list of ten specific things he doesn’t want you to do. And if you do any of these things, he will send you to a special place, of burning and fire and smoke and torture and anguish for you to live forever, and suffer and burn and scream until the end of time. But he loves you. He loves you and he needs money.

~George Carlin
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post #12 of 15 (permalink) Old 01-26-2015, 03:56 PM Thread Starter
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It was a 3157A I bought the first time. Got the proper 3157 this time and all is well. Thanks guys!
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post #13 of 15 (permalink) Old 04-07-2018, 09:20 PM
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In my situation the socket was the problem. Once I replaced it everything worked again!

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post #14 of 15 (permalink) Old 04-08-2018, 10:16 PM
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I had this same problem. It started on Friday evening. A beep. Just one. No indication what it was about. Turned left. Turn signal blinked regularly for several seconds then started blinking fast. It was the same bulb, drivers rear. Gotta say, it was super easy to get the tail light assembly out. I did break one of the fasteners. So I bought a pack while I was there. Everything is shiny new!


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Last edited by rush549; 04-08-2018 at 10:19 PM.
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post #15 of 15 (permalink) Old 04-17-2019, 03:49 PM
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i got same problem also, 2008 patriot, rear left (driver side) light now working,i test with a voltmeter and no wires have any voltage tru them, i use my sonar to do a test, and when touching each wire (the black and blue, and the green and white) both give me sonar signal while i was touching the body, it look like both wires are now ground instead of one ground and one fire, how could that happen?
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