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Open Roads Forum  >  Tech Issues

 > Both blinkers flash for right and left

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dougrainer

Carrolton, Texas

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Posted: 09/20/22 08:47am Link  |  Quote  |  Print  |  Notify Moderator

dmussell56 wrote:

I am learning from you people and the interweb. After a few searches I see the ESCO KAL wiring harness has 6 wires (yellow being aux), with red(LT&B) brown(RT&B), green(tail lights).

The harness wires go in to, (I wish I was smart enough to know what every part was called) a rectangular rubber "thingy", and a red, brown, green set of wires comes out the other side and goes to the back of my trailer.

Anyone who has forgotten more that I will ever know is laughing at my ignorance.

Anyway, it looks as if the right wires are indeed going to my tail light modules.


BINGO, That box is your problem. Once they went to LED trailer lights(low amp pull), some OEM's installed that box to allow the SIDE clearance lights to flash when turn signals ON. Left turn signal Left side markers flash. Right turn signal, right side markers flash. That box is defective. There should be a Brand and P/N on the box and if you are still under warranty, the OEM will replace. Doug

dougrainer

Carrolton, Texas

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Posted: 09/20/22 09:27am Link  |  Quote  |  Print  |  Notify Moderator

https://www.motomentum.com/sdc-tri-star-........l-to-brake-light-conversion-module-72342

This is just one version of that box. Doug

bucky

Raleigh metro

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Posted: 09/21/22 04:27am Link  |  Quote  |  Print  |  Notify Moderator

7 wire color chart


2005 Cummins 3500 2WD LB quad cab dually pulling a 2014 Blue Ridge 3025RL


dougrainer

Carrolton, Texas

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Posted: 09/21/22 08:09am Link  |  Quote  |  Print  |  Notify Moderator

bucky wrote:

7 wire color chart


Absolutely WRONG! This is the problem with using the Web to find out things. This is the correct RV 7 way. Doug


https://www.pinterest.com/pin/497647827547757482/?nic_v3=1a1U2AKFw

Grit dog

Black Diamond, WA

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Posted: 09/21/22 08:27am Link  |  Quote  |  Print  |  Notify Moderator

dougrainer wrote:

dmussell56 wrote:

I am learning from you people and the interweb. After a few searches I see the ESCO KAL wiring harness has 6 wires (yellow being aux), with red(LT&B) brown(RT&B), green(tail lights).

The harness wires go in to, (I wish I was smart enough to know what every part was called) a rectangular rubber "thingy", and a red, brown, green set of wires comes out the other side and goes to the back of my trailer.

Anyone who has forgotten more that I will ever know is laughing at my ignorance.

Anyway, it looks as if the right wires are indeed going to my tail light modules.


BINGO, That box is your problem. Once they went to LED trailer lights(low amp pull), some OEM's installed that box to allow the SIDE clearance lights to flash when turn signals ON. Left turn signal Left side markers flash. Right turn signal, right side markers flash. That box is defective. There should be a Brand and P/N on the box and if you are still under warranty, the OEM will replace. Doug


Thank you Doug. Very informative, learned something new today!


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Grit dog

Black Diamond, WA

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Posted: 09/21/22 08:29am Link  |  Quote  |  Print  |  Notify Moderator

dougrainer wrote:

bucky wrote:

7 wire color chart


Absolutely WRONG! This is the problem with using the Web to find out things. This is the correct RV 7 way. Doug


https://www.pinterest.com/pin/497647827547757482/?nic_v3=1a1U2AKFw


Maybe you know, as I only learned this a few years ago, that there are 2 completely different wiring color conventions. Why?

Boon Docker

Mountain Foothills of Southern Alberta

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Posted: 09/21/22 10:06am Link  |  Quote  |  Print  |  Notify Moderator

dougrainer wrote:

bucky wrote:

7 wire color chart


Absolutely WRONG! This is the problem with using the Web to find out things. This is the correct RV 7 way. Doug


https://www.pinterest.com/pin/497647827547757482/?nic_v3=1a1U2AKFw


The wiring of those two charts is identical.

Grit dog

Black Diamond, WA

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Posted: 09/21/22 10:27am Link  |  Quote  |  Print  |  Notify Moderator

Boon Docker wrote:

dougrainer wrote:

bucky wrote:

7 wire color chart


Absolutely WRONG! This is the problem with using the Web to find out things. This is the correct RV 7 way. Doug


https://www.pinterest.com/pin/497647827547757482/?nic_v3=1a1U2AKFw


The wiring of those two charts is identical.


Try again...

nickthehunter

Southgate, MI

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Posted: 09/21/22 01:38pm Link  |  Quote  |  Print  |  Notify Moderator

The positions are labeled the same, but the colors are all different; hence you would be putting the wrong color wire on the terminal.

dmussell56

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Posted: 09/21/22 03:02pm Link  |  Quote  |  Print  |  Notify Moderator

I have no issues with cutting holes in the walls of my house to diagnose any issue because I know how ti fix it.

After learning what wires were what and figuring out how to pop off the tail light assembly, I looked at the right one first and it was wired properly. Brown wire (RT) to the red lead.

I take off the left tail light and what do I find? The installer had coupled the red wire (LT) AND the brown wire (RT) together and connected that to the red lead. That explains why both light blinked when either was turned on. Right or left, each was always getting power. Cut the red wires and into a separate connector and it works perfect.

When I started the topic I had no clue about any of this, and you people educated me to the point where I had the knowledge to recognize how it was ****** up when it left the factory.

THANK YOU, THANK YOU. If we are ever in the same campsite, I will offer you a beer!!

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