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Old 11-03-2015, 08:54 AM
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Partially dead Front Left parking/turn signal

Here are the symptoms:
Fast flashing on rear, no flashing on front. Intermittent - Sometimes starts out regular speed, then will go to fast flash.

No parking light on front - rear is fine.

Here is what I have already tried:
- Tried swapping bulbs front and rear
- Tried swapping light socket on front
- Tried disconnecting front and rear wiring and reseating

All with no effect.

Problem stays with the front drivers side. If I swap the light bulb and socket to the other side - it works fine on that side.

So - I figure its further up in the harness... But I have no idea if its something replaceable - and I'm not going to do an entire vehicle harness... no way.

Here is my thought - and I'm wondering if anyone has tried it.

Couldn't I just pull the rear harness and run a new set of wires for both parking and turn signal (not reverse or brake obviously). Run new wires all the way to the front and just duplicate the rear?

Ideas? This is driving me nuts!

And yes - I know how picky these are about bulbs and connections... that's why I've swapped all the bulbs and sockets multiple times no to avail.

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Old 11-03-2015, 09:05 AM   #2
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Take it to a reputable ELECTRICAL auto shop and they'll probably find any issues in minutes doing continuity tests. It's possible some type of fuse, relay or controller has gone bad. But even a harness system could be the culprit. All can be replaced. A good auto-electric shop is super efficient, knowledgeable, and much cheaper than a dealer.

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Old 11-03-2015, 09:08 AM   #3
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Bad ground.
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Old 11-03-2015, 09:19 AM   #4
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Quote:
Originally Posted by WaltA View Post
Bad ground.
I second this.
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Old 11-03-2015, 09:54 AM
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Quote:
Originally Posted by jkudave View Post
I second this.
Bad chassis ground?

Forgive me as I've not yet dug into it, but if so, where is the chassis grounded?
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Old 11-03-2015, 10:00 AM   #6
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I believe that all of the lights are CANBUS controlled. Your problem might lie there.

Do like others have said, take it to a quality automotive electrical shop and then go from there.

It's possible that you have a bad ground, but chasing it down might be next to impossible unless you have a lot of time, several friends to help, and a couple of quality multi meters.

good luck

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Old 11-03-2015, 10:03 AM
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Cool - Thanks guys!
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Old 11-03-2015, 10:05 AM   #8
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It is more than likely a break in the ground feeding that socket. I have no clue where that ground comes from, and on the JK it might actually come all the way from the TIPM rather the old fashioned bolt on the body. If you have a multimeter, check for 12v between the socket's parking light pin and ground pin. You might see zero. Check again between the parking light pin and a body/chassis ground. You might then see 12v since you're giving it a good ground.

The fast-flash sometimes normal flashing is normal behavior for TIPM and doesn't indicate anything differently.
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Old 11-03-2015, 10:47 AM
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Originally Posted by Pedals2Paddles View Post
It is more than likely a break in the ground feeding that socket. I have no clue where that ground comes from, and on the JK it might actually come all the way from the TIPM rather the old fashioned bolt on the body. If you have a multimeter, check for 12v between the socket's parking light pin and ground pin. You might see zero. Check again between the parking light pin and a body/chassis ground. You might then see 12v since you're giving it a good ground.

The fast-flash sometimes normal flashing is normal behavior for TIPM and doesn't indicate anything differently.
I should also add - the marker light on that side works fine... You may be correct - bad ground to the socket... I'll dig in this evening... Maybe run a jumper wire to get a verified ground and see what happens.
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Old 11-03-2015, 11:03 AM   #10
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No sure if this is the same problem you have, but your Wrangler is an 2008 and mine was a 2007.

The wire/housing on mine was corroded around late in year 2014, I never fixed it and sold the vehicle with it like that.

Existing issues my 2007 had when I sold it.

That bulb problem.

Original windshield with 10+ chips.

Oil pan gasket had a slight leak early year 2015

Airbag light, sometimes it would go off, but if someone moved the front passenger seat it would flicker and stay that way, playing with the seat sometimes would make the light disappear.
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Old 11-03-2015, 07:36 PM
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Thanks everyone...

After about 2.5 hours of tracking it down and thinking I had a bad ground, splicing in a new ground.. almost blowing out the parking light circuit...

Let just say - always make sure you triple check the light sockets you *think* are good.

After all that it did turn out to be the light socket. There may have been a bad ground as well, and I have that sorted..

So - everything works - just waiting until tomorrow to get a new bulb socket as my parking light in one socket has a short.

Thanks again everyone... Man was that frustrating...

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