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2014-2017: DL8, DL3, Towing Mirror Upgrade – Mirrors Explained

pgamboa

By pgamboa
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DURBSMAX New Member

DURBSMAX

Posted
Posted (edited)

Hello All, 

First post, but I have a specific question about 1AAuto mirrors. I just bought a set for my truck but one of the mounting studs was broke off upon arrival. I know the optional 4th stud is threaded but are the other three as well? It would be nice to just back the broken one out and replace it alone if possible. I know PGAMBOA knows his stuff so I thought I'd ask here. 

 

Thanks!

 

Update: After some trickery with some vice grips I did find that all the studs are threaded in the 1AAuto mirrors.

Edited by DURBSMAX
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pgamboa
pgamboa

All,   Due to the overwhelming interest in folks wanting to upgrade their mirrors, I wanted to start this thread, hopefully, with all the information pertaining to the process of upgrading y

pgamboa
pgamboa

For those that are curious on the work involved with the harness modification, I've created and uploaded a Time Lapse Video of the process. The original post has been updated and the video link is at

Black Denali Canada
Black Denali Canada

Here are mine       Sent from my iPhone using Tapatalk

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Lifted_Rubyz71 Enthusiast

Lifted_Rubyz71

Posted
Posted

I have a 2014 silverado 1500 LT. Im looking at going from DL8 to DL3 tow mirrors aftermarket. Chevy dealership said i will need three harness being both front door harness and a extra harness. Where do i buy your modified harness from? If i buy your modified harness will I still need to get the other harness that chevy is saying i will need?

pgamboa Senior Enthusiast

pgamboa

Posted
  • Author
Posted
I have a 2014 silverado 1500 LT. Im looking at going from DL8 to DL3 tow mirrors aftermarket. Chevy dealership said i will need three harness being both front door harness and a extra harness. Where do i buy your modified harness from? If i buy your modified harness will I still need to get the other harness that chevy is saying i will need?

What mirror specifically are you looking to go with?


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pgamboa Senior Enthusiast

pgamboa

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A few things.

DL3 Mirrors refers to the smaller power folding mirrors found on LTZ/HC, SLT/Denali trucks. So don’t confuse DL3 as tow mirrors.

Since your truck is a 2014, you will need the door harnesses and the harnesses for inside the truck/under the cabin. So this is correct.

Also, many aftermarket mirrors are not build to GM specs... so custom harnesses are usually needed.


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maxpower98 Enthusiast

maxpower98

Posted
Posted

so i have a 2014 crew cab and im looking to add dl3 mirrors. my question is can i use gm factory harnesses? i saw one video that he used 84290984 for the drivers harness and 84290964 for the pass door. is this correct? also is the only difference between the 2 mirror switches the connector portion? reason i ask is that my gm parts dude said that the one i need is on backorder and the one that doesnt fit is the common one he sells. looking online some places say that the 23154702 is discontinued. can i just modify the connector portion so it fits in or is it wired differently? also what does the cargo lamp pin provide for the mirrors? my truck has all the pins except the cargo lamp pin. if i dont add the rzy harness what wont work? sorry this seems like alot of questions. i appreciate all the help.

Lifted_Rubyz71 Enthusiast

Lifted_Rubyz71

Posted
Posted

So i got these mirrors, they have the harness but added a wiring kit for what i believe is for the signal on the glass, lights, reverse light, and clearance. Would i just need to get the rzy harness to make this work.

15867046842957421097409567544347.jpg

J_Bone Enthusiast

J_Bone

Posted
Posted

I bought a used 2015 GMC 1500 SLT and it came with the towing mirrors on it. I want to know which mirrors I got. DPS or DQN? How can I tell? The sales guy said they have power folding but the wiring wouldn’t allow to power the motor on the towing mirrors, even though it had it before. I can manually fold them in, so is that still possible with motorized?


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pgamboa Senior Enthusiast

pgamboa

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  • Author
Posted
I bought a used 2015 GMC 1500 SLT and it came with the towing mirrors on it. I want to know which mirrors I got. DPS or DQN? How can I tell? The sales guy said they have power folding but the wiring wouldn’t allow to power the motor on the towing mirrors, even though it had it before. I can manually fold them in, so is that still possible with motorized?


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Check your Glove Box RPO codes. It likely shows DL3 which are the smaller power fold mirrors. You still have the power fold switch? It is likely that the previous had them swapped out and installed DPN mirrors instead of DQS Mirrors. If the power fold switch is there and they don’t fold, they are likely DPN mirrors.

Can you confirm that:

1. The red arrow in the glass lights up when you use the turn signal?

2. Does the amber forward light come on when your manually turn your headlights on?

3. Does the white light come with to push the cargo light button?

If you answer yes to all 3, then they installed the correct harness, but put DPN mirrors instead of DQS.


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pgamboa Senior Enthusiast

pgamboa

Posted
  • Author
Posted
So i got these mirrors, they have the harness but added a wiring kit for what i believe is for the signal on the glass, lights, reverse light, and clearance. Would i just need to get the rzy harness to make this work.
15867046842957421097409567544347.thumb.jpg.06a2cbeaa6d67752d3c9a80ea5c9a418.jpg

The RZY harness is needed for ALL 2014 trucks and some 2015 trucks. Since your truck is 2014, you’ll will need it. Your truck won’t have pins 9 and 11 in the door jamb connector.

In addition, you will need to decide how you want to get the mirror lights to mate with the door jamb connector. I have solutions for all this. A complete door harness set, a lower cost DIY wire kit, and can supply the RZY harness as well. Let me know which path you want to go with.


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J_Bone Enthusiast

J_Bone

Posted
Posted

Check your Glove Box RPO codes. It likely shows DL3 which are the smaller power fold mirrors. You still have the power fold switch? It is likely that the previous had them swapped out and installed DPN mirrors instead of DQS Mirrors. If the power fold switch is there and they don’t fold, they are likely DPN mirrors.

Can you confirm that:

1. The red arrow in the glass lights up when you use the turn signal?

2. Does the amber forward light come on when your manually turn your headlights on?

3. Does the white light come with to push the cargo light button?

If you answer yes to all 3, then they installed the correct harness, but put DPN mirrors instead of DQS.


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I still have the switch.
Yes, yes, and yes.
I was afraid you were going to say that. Bummer. I could use the folding mirrors when I park in the garage.

a2d6e124c309de42978e7ecdc1a62acb.jpg


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pgamboa Senior Enthusiast

pgamboa

Posted
  • Author
Posted

I still have the switch.
Yes, yes, and yes.
I was afraid you were going to say that. Bummer. I could use the folding mirrors when I park in the garage.

a2d6e124c309de42978e7ecdc1a62acb.jpg


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Yep. So in this case, you would need DQS Mirrors. That should take of it. You can sell your DPN to help recoup some of the costs. I can get DQS Mirrors for $1058 shipped (plus PayPal fee) if interested. PM me.


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pgamboa Senior Enthusiast

pgamboa

Posted
  • Author
Posted
so i have a 2014 crew cab and im looking to add dl3 mirrors. my question is can i use gm factory harnesses? i saw one video that he used 84290984 for the drivers harness and 84290964 for the pass door. is this correct? also is the only difference between the 2 mirror switches the connector portion? reason i ask is that my gm parts dude said that the one i need is on backorder and the one that doesnt fit is the common one he sells. looking online some places say that the 23154702 is discontinued. can i just modify the connector portion so it fits in or is it wired differently? also what does the cargo lamp pin provide for the mirrors? my truck has all the pins except the cargo lamp pin. if i dont add the rzy harness what wont work? sorry this seems like alot of questions. i appreciate all the help.

DL3 mirrors are the smaller power fold mirrors, not tow mirrors. So confirm if you can. DPN and DQS mirrors are tow mirrors. DQS is the power fold version. RZY is needed for 2014 trucks. That will take care of the cabin/under the hood side.


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