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Old 05-15-2012, 10:53 AM   #61
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That is awesome, it worked perfectly. We have a four way intersection that is real hard to tell which way anyone wants to go unless you're in front of them.

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Old 05-15-2012, 05:31 PM   #62
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Thanks, glad you like it.

Can someone PM a moderator to make this a sticky in the "write ups and how to's thread"? I think it belongs there and I don't think I can suggest it if I authored it.

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Old 05-15-2012, 07:03 PM   #63
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Quote:
Originally Posted by gluestick View Post
Thanks, glad you like it.

Can someone PM a moderator to make this a sticky in the "write ups and how to's thread"? I think it belongs there and I don't think I can suggest it if I authored it.
Done!

I loved this mod!
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Old 05-16-2012, 04:43 AM   #64
Really liking the Jeep...

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Going for this one this weekend!
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Old 05-19-2012, 08:11 PM   #65
Really liking the Jeep...

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I got this mod and a few others done today.
Very simple, but very satisfying!
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Old 05-19-2012, 11:45 PM   #66
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Simple mod, but made me happy as can be when it worked.
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Old 07-19-2012, 09:04 PM   #67
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Urgent!!

Ok, easy mod turned annoying as S&^%$!! One side works great and the other, solid front signal, no side marker illumination at all and no signal response on either bulbs on the failed side.

What could be wrong?
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Old 07-19-2012, 09:05 PM   #68
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Is there a relay or flasher that may have failed?
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Old 07-19-2012, 11:09 PM   #69
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Quote:
Originally Posted by mfresh2k2 View Post
Ok, easy mod turned annoying as S&^%$!! One side works great and the other, solid front signal, no side marker illumination at all and no signal response on either bulbs on the failed side.

What could be wrong?
Try double checking that you have the correct wires from Up Hill Bill's reply
Quote:
Originally Posted by Up Hill Bill View Post
Continued:

Here's the side marker connector. Note how close the wire loom to the front blinker/running light is:

Attachment 68020

The black wire to the connector is going to be cut about 1" from the connector (might need to reconnect some day - and it's just a ground wire so no need to tape off.) The single black wire running diagonally upward is the new lead that was spliced at the parking light connector and run up the loom.

Black lead to marker cut and soldered to the new lead from parking light connector:

Attachment 68021

I taped the joint and pulled the leads from the side marker back into their loom until the joint was hidden in the loom:

Attachment 68023


Repeat for other side.

Quick, safe, easy..... done! And no one is going to know anything was done from looking at the wiring.
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Old 07-19-2012, 11:22 PM   #70
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WaRpeDtiRe, thanks for the reply, I checked everything, again, pass side works, driver side will not illuminate properly.
Black side marker connected to outer white on signal harness. Did I blow some type of relay? When all connected and "all lit", the error interferes with the once-correct passenger side, signal out, marker lit.
Please help...
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Old 07-19-2012, 11:25 PM   #71
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Have you checked your bulbs on the driver's side?
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Old 07-19-2012, 11:31 PM   #72
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i have, they work intermittently, not all in proper working order when signaling/"on"
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Old 07-19-2012, 11:41 PM   #73
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Check out Daniel Stern's article on converting side markers to blinkers. Maybe you can pick up something there:

Daniel Stern Lighting Consultancy and Supply

Then there is always resetting everything by disconnecting the battery and discharging capacitors:

Jeep Parts, Jeep Accessories & Jeep Soft Tops From The Jeep Parts Experts - Quadratec
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Old 07-20-2012, 12:50 AM   #74
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Quote:
Originally Posted by Up Hill Bill
Check out Daniel Stern's article on converting side markers to blinkers. Maybe you can pick up something there:

Daniel Stern Lighting Consultancy and Supply

Then there is always resetting everything by disconnecting the battery and discharging capacitors:

Jeep Parts, Jeep Accessories & Jeep Soft Tops From The Jeep Parts Experts - Quadratec
You should not need to disconnect anything to make the mod work! It will work with factory bulbs or LEDs. It is called a false ground circuit. The principle of the mod is this:

In the off position of the lights the wires run to ground by removing the ground wire of one and taping it into the hot wire of the other it causes both lights to
Come on and at the same time. When ThE primary feed line ( the one that was taped) is powered on and the other light (the blinker switch) is powered in, then it causes them to alternate flashing. This is achieved because when the blinker is OFF the light is grounding thru the switch. When the blinker sends power to the light ( when normaly on) it removes the ground from the circuit causing the flash pattern.
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Old 07-20-2012, 07:26 AM   #75
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Still stuck

Thanks guys but after checking all lights and spliced connections, the results are this:

when headlights / parking lights ON
Passenger side: Side marker = Lit, Front parking light=OFF
Drivers side: Side marker =OFF, Front parking light=LIT

When signaling, only the passenger side works as intended (both side and front flash)
Drivers side wont flash at all but the rear has the faster flash as if a bulb was out...

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Old 07-20-2012, 09:27 AM   #76
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Quote:
Originally Posted by mfresh2k2
Thanks guys but after checking all lights and spliced connections, the results are this:

when headlights / parking lights ON
Passenger side: Side marker = Lit, Front parking light=OFF
Drivers side: Side marker =OFF, Front parking light=LIT

When signaling, only the passenger side works as intended (both side and front flash)
Drivers side wont flash at all but the rear has the faster flash as if a bulb was out...

Have you checked the front bulb? Try swapping the driver/passanger bulb and see what happens. If the filament is bad it could be causing the problem
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Old 07-20-2012, 09:48 AM   #77
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Cool, I hope that's all it is, I'll check things out asap and post the results. thx

Would that also effect the opposing sides lights though? Because when on, I've only got 2 out of 4 lit, one side marker (pass.) and one signal (Driver). This is so simple its killing me, Ive modded over 7 cars, Honda's, Vw's, Audis's and I feel like this should be the least complex of all =) DETERMINED
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Old 07-20-2012, 11:25 AM   #78
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Quote:
Originally Posted by mfresh2k2 View Post
Thanks guys but after checking all lights and spliced connections, the results are this:

when headlights / parking lights ON
Passenger side: Side marker = Lit, Front parking light=OFF
Drivers side: Side marker =OFF, Front parking light=LIT

When signaling, only the passenger side works as intended (both side and front flash)
Drivers side wont flash at all but the rear has the faster flash as if a bulb was out...

Something has to be was wired wrong!

You need to triple check your wiring.

Look at the pictures again and make sure. If you have wired it correctly, and all your bulbs are OK, someone at the factory wired your Jeep incorrectly, and you'll have to use a multi-meter to figure out which wires you should tap.

Passenger side front parking light:

Click image for larger version

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ID:	142606

Passenger side marker:

Click image for larger version

Name:	Marker.jpg
Views:	97
Size:	101.1 KB
ID:	142607
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Old 07-20-2012, 12:26 PM   #79
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Yes, the bulb or the wiring, I agree, still haven't checked to see if the bulb is bad (trying to finish my work for the week and RTFO!

Come to think of it, upon testing, it worked for the first time after I did the mod but went crazy after I put it all back together. I suppose if the bulb blew, it may have caused failure in all of the indicators? (2/4 are working, very strangly)
Did I buy a Transformer!!? Sweet

I'll confirm shortly. Thanks again everyone
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Old 07-21-2012, 03:06 PM   #80
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So you are saying that you can attach the outside white to the ground and achieve the same effect without cutting the ground?

Quote:
Originally Posted by Darkfire View Post
You should not need to disconnect anything to make the mod work! It will work with factory bulbs or LEDs. It is called a false ground circuit. The principle of the mod is this:

In the off position of the lights the wires run to ground by removing the ground wire of one and taping it into the hot wire of the other it causes both lights to
Come on and at the same time. When ThE primary feed line ( the one that was taped) is powered on and the other light (the blinker switch) is powered in, then it causes them to alternate flashing. This is achieved because when the blinker is OFF the light is grounding thru the switch. When the blinker sends power to the light ( when normaly on) it removes the ground from the circuit causing the flash pattern.
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Old 07-21-2012, 11:50 PM   #81
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Quote:
Originally Posted by spankinkopita
So you are saying that you can attach the outside white to the ground and achieve the same effect without cutting the ground?
I'm drinking beers soon let me think about this........... No... You are cutting the - wire of one and attaching it to the positive wire of the other.

When the switch is in the off position both leeds go to ground, the idea is to have both lights on at the same timeb( running and turn) then when u turn on the signal it makes them alternate.
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Old 07-22-2012, 05:06 PM   #82
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UPDATE: FIXED and working great
After checking everything thoroughly the only logical thing to do was replace all of the bulbs, the dual-filament in 2 of the bulbs were burnt and it was illuminating in strange combos. Must have blown soon after mod'd.

De-chrome moding today teaser pic:
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Old 07-22-2012, 05:10 PM   #83
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Need a beer pronto
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Old 07-22-2012, 05:34 PM   #84
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Quote:
Originally Posted by Darkfire View Post
You should not need to disconnect anything to make the mod work! It will work with factory bulbs or LEDs. It is called a false ground circuit. The principle of the mod is this:

In the off position of the lights the wires run to ground by removing the ground wire of one and taping it into the hot wire of the other it causes both lights to
Come on and at the same time. When ThE primary feed line ( the one that was taped) is powered on and the other light (the blinker switch) is powered in, then it causes them to alternate flashing. This is achieved because when the blinker is OFF the light is grounding thru the switch. When the blinker sends power to the light ( when normaly on) it removes the ground from the circuit causing the flash pattern.
You're describing a backfeed, aren't you?
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Old 07-22-2012, 05:38 PM   #85
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Quote:
Originally Posted by mfresh2k2 View Post
UPDATE: FIXED and working great
After checking everything thoroughly the only logical thing to do was replace all of the bulbs, the dual-filament in 2 of the bulbs were burnt and it was illuminating in strange combos. Must have blown soon after mod'd.
...
Whew.... frustrating when a random event like that totally confuses things...
Glad you solved it.

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Old 07-22-2012, 06:27 PM   #86
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You're describing a backfeed, aren't you?
To a degree yes ur feeding power back thru the circuit but it only works because the jeep switch goes to ground when off.
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Old 07-22-2012, 07:01 PM   #87
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ya...thought so. I'm not so sure I want to do this mod this way then. Last thing I want is 12V of power somehow backfeeding into the (likely lower voltage) reference voltage from the PCM.
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Old 07-22-2012, 08:35 PM   #88
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ya...thought so. I'm not so sure I want to do this mod this way then. Last thing I want is 12V of power somehow backfeeding into the (likely lower voltage) reference voltage from the PCM.
Totally not an issue! I have been doing this mod since the early 80's on Toyota's and the like, never an issue and NEVER a warinty issue either
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Old 07-22-2012, 08:48 PM   #89
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I had all sorts of hell figuring out why my mazda6 was freaking out about a year back...I had been running this mod for 5 years before I experienced a problem. I'd hit my turn signal stalk when my parking lights or headlights were engaged and my instrument panel would go dark, then light in alternating fashion to my turn signal. Hit my key fob remote to lock/unlock and the same thing. Traced it back to a backfeed from this mod. Undid the mod and all was well. That being said, I have nearly all my interior/exterior lights replaced with LEDs, including a super sexy LED tail light assembly, so the power required to light all those up is considerably less than with incandescent bulbs. If all lights had been stock, I proabably never would have noticed this with all the resistance from those filaments.

Anyway, I might do this, but only properly with relays and diodes
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Old 07-22-2012, 09:02 PM   #90
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Can someone post video of this working?

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