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Retrofitting 2019-20 GT350/R Puddle Lamps onto a 2016-18 GT350/R

Wings1090

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Hello all,

I've seen a couple topics on this but I figured I would put this all into one post so people can search for this. I have a 2017 GT350R and have wanted the puddle lamps on my car for some time. I've seen 2-3 people complete the swap successfully, one which included cutting the existing mirror for the lamps and wiring them separately, and the other being a direct plug and play swap.

Niz55 completely a swap on his 2017 car, which included cutting and wiring the puddle lamp separately. The link to that forum post is below:
Niz55 Puddle Lamp Retrofit

Jobsi completely a plug and play swap on his 2018 GT350. His forum post is here regarding his swap is below:
Jobsi Puddle Lamp Retrofit

I wanted to try and complete a plug and play swap on my 2017 GT350R, so I found a set of 2019 GT350 mirrors with the puddle lamps off a wrecked 2019 car. Part numbers of the mirrors I found are listed below. Note the service parts may be different than the stock parts.
LH: KR3V-17683-AB5G9Z
RH: KR3V-17682-AB5G9Z

However, when I went to plug the new 2019 mirror into my existing door harness connector, the puddle lamps did not come on. Upon closer inspection, the pins did not add up between the two. The 2017 mirror only had 7 pins in the connector, whereas the 2019 mirrors had 12 pins. After some research, I figured out the issue. The 2015-17 GT350s door wiring harness for the exterior mirrors is different than a 2018-20 GT350. Pictures of each of the connectors explaining the difference are below. 2017, 2018, and 2019 connector diagrams are below:

2017 GT350R Exterior Mirror Electrical Connector
2017 GT350R Exterior Mirror Door Harness Connector.JPG


2018 GT350 Exterior Mirror Electrical Connector
2018 GT350 Exterior Mirror Door Harness Connector.JPG


2019 GT350 Exterior Mirror Electrical Connector
2019 GT350 Exterior Mirror Door Harness Connector.JPG


In summary, if you have a 2015-17 GT350/R, you will need to complete the swap like Niz55 did (link above). If you have a 2018 GT350/R, you can directly plug and play a 2019 or 2020 mirror with the puddle lamps into your car and will have functional puddle lamps.

Good luck everyone and hope this helps anyone out there who is interested with doing this swap like I was, and hopefully will avoid some headaches.
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Sagittaria

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Excellent post. I'm sure the mirrors you purchased came with BLIS/Heat glass as well.. and you just swapped with your non-BLIS/Heat glass.

Makes me wonder if the BLIS/Heat wires are already there on the body harness (pin 11) then you simply have to do the below to get BLIS working from the BLIS DIY thread:
1. Install radar sensors to CAN bus
2. Program with Forscan
3. Don't have to mess with the mirrors as they're already connected theoretically.

Interesting for the 2018 folks....
 
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Wings1090

Wings1090

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Excellent post. I'm sure the mirrors you purchased came with BLIS/Heat glass as well.. and you just swapped with your non-BLIS/Heat glass.

Makes me wonder if the BLIS/Heat wires are already there on the body harness (pin 11) then you simply have to do the below to get BLIS working from the BLIS DIY thread:
1. Install radar sensors to CAN bus
2. Program with Forscan
3. Don't have to mess with the mirrors as they're already connected theoretically.

Interesting for the 2018 folks....
I believe they are BLIS and potentially Heated. I do not see the Heated symbol on them, but I think the 2019 Tech pack cars came with Heated Mirrors. And yes, if you don't have BLIS/Heated Mirrors, you'll need to swap your glass over.

Interesting thought on 2018 cars adding the BLIS hack since the mirrors are technically wired already...
 

Tank

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Hello all,

I've seen a couple topics on this but I figured I would put this all into one post so people can search for this. I have a 2017 GT350R and have wanted the puddle lamps on my car for some time. I've seen 2-3 people complete the swap successfully, one which included cutting the existing mirror for the lamps and wiring them separately, and the other being a direct plug and play swap.

Niz55 completely a swap on his 2017 car, which included cutting and wiring the puddle lamp separately. The link to that forum post is below:
Niz55 Puddle Lamp Retrofit

Jobsi completely a plug and play swap on his 2018 GT350. His forum post is here regarding his swap is below:
Jobsi Puddle Lamp Retrofit

I wanted to try and complete a plug and play swap on my 2017 GT350R, so I found a set of 2019 GT350 mirrors with the puddle lamps off a wrecked 2019 car. Part numbers of the mirrors I found are listed below. Note the service parts may be different than the stock parts.
LH: KR3V-17683-AB5G9Z
RH: KR3V-17682-AB5G9Z

However, when I went to plug the new 2019 mirror into my existing door harness connector, the puddle lamps did not come on. Upon closer inspection, the pins did not add up between the two. The 2017 mirror only had 7 pins in the connector, whereas the 2019 mirrors had 12 pins. After some research, I figured out the issue. The 2015-17 GT350s door wiring harness for the exterior mirrors is different than a 2018-20 GT350. Pictures of each of the connectors explaining the difference are below. 2017, 2018, and 2019 connector diagrams are below:

2017 GT350R Exterior Mirror Electrical Connector
2017 GT350R Exterior Mirror Door Harness Connector.JPG


2018 GT350 Exterior Mirror Electrical Connector
2018 GT350 Exterior Mirror Door Harness Connector.JPG


2019 GT350 Exterior Mirror Electrical Connector
2019 GT350 Exterior Mirror Door Harness Connector.JPG


In summary, if you have a 2015-17 GT350/R, you will need to complete the swap like Niz55 did (link above). If you have a 2018 GT350/R, you can directly plug and play a 2019 or 2020 mirror with the puddle lamps into your car and will have functional puddle lamps.

Good luck everyone and hope this helps anyone out there who is interested with doing this swap like I was, and hopefully will avoid some headaches.
Thanks for doing the heavy lifting. Iā€™ll link this thread in the GT350 Basics sticky for posterity.
 

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UXXR

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great info, thank you

2018 owner here and I'm very interested in both puddle lamp, and more so on possible BLIS addition. Has anyone done a BLIS retrofit to their 2018 MY?
 
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Wings1090

Wings1090

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great info, thank you

2018 owner here and I'm very interested in both puddle lamp, and more so on possible BLIS addition. Has anyone done a BLIS retrofit to their 2018 MY?
Yes, I've seen a couple posts around the forums regarding someone retrofitting BLIS into a Mustang, not sure if it was a GT350 though. I kept this to the puddle lamp retrofit, but since all the wiring and connections are there, it should work once you rig up the Radars and wire it correctly. A quick search should yield what you're looking for.
 

Sagittaria

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Excellent post. I'm sure the mirrors you purchased came with BLIS/Heat glass as well.. and you just swapped with your non-BLIS/Heat glass.

Makes me wonder if the BLIS/Heat wires are already there on the body harness (pin 11) then you simply have to do the below to get BLIS working from the BLIS DIY thread:
1. Install radar sensors to CAN bus
2. Program with Forscan
3. Don't have to mess with the mirrors as they're already connected theoretically.

Interesting for the 2018 folks....
great info, thank you

2018 owner here and I'm very interested in both puddle lamp, and more so on possible BLIS addition. Has anyone done a BLIS retrofit to their 2018 MY?
In the midst of doing 2019 mirror swap in a 2018 now ā€” and also add BLIS.

As OP posted, all the wires exist in the 2018s for heat and the puddle lamp in both the door and the body harness.

The BLIS mirror light is a different story. The BLIS alert wire already exist in the door harness but not the body harness. So you will have to run a wire from each door to the BLIS modules in the bumper.

Not that big of a deal.. you can fairly quickly add the missing pin using (DU2Z-14474-CA) and run 22ga back. Connector C313 is pretty easy to get at.
blisdiagram.jpg

Overall BLIS diagram. If you have a 2018, you're running everything highlighted in red for the BLIS module connector C4370. The only bummer is the 20'+ run for the alert wire to the mirror from C4370 (BLIS connector) to C313 (Body To Door Harness Connector). Everything else is already present in the door.

connector.jpg

Left side is door. Right side is body harness. You're adding a pin (DU2Z-14474-CA) into position A3.

PXL_20210320_000349805 - Copy.jpg


Popping the missing pin in.
 

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Well fellas, I have a 2018 Shelby GT350 and I purchased a set of '19 mirrors with the Cobra Puddle Projectors...... swapped them out and they are not coming on? I was under the impression the '18+ cars would be plug n play? Do you need to activate in ForScan or anything? It is also daylight here currently. Do they only come on at night? I tried unlocking the door and it doesn't appear that they are working.

Any input or advice would be greatly appreciated. A little bummed at the moment, was super pumped to have this added to my Shelby.

-Thanks
 

Rayjones86

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OK, so I have attached some pics of my door harness part# as well as the door harness to mirror harness plug. My door harness has 8 wires in the connector, my mirror harness has 12 wires in the connector. What is odd to me is the thread states that you would tap into the Grey wire w/ purple stripe for power.... well that wire is present in my door harness to mirror connector.

20230319_123308.jpg


20230319_123257.jpg


20230319_122928.jpg
 

ktulu26

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If I had one of the newer cars, I'd probably be running a thread about how to get rid of the puddle lamps...but apparently I'm just an old curmudgeon at this point.

Good on you for figuring stuff out and sharing info.
 

TnWHTMARE

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OK, so I have attached some pics of my door harness part# as well as the door harness to mirror harness plug. My door harness has 8 wires in the connector, my mirror harness has 12 wires in the connector. What is odd to me is the thread states that you would tap into the Grey wire w/ purple stripe for power.... well that wire is present in my door harness to mirror connector.

20230319_123308.jpg


20230319_123257.jpg


20230319_122928.jpg
I assume that you have resolved this issue? I was just going to suggest that I discovered on my 2020 GT that the wiring was in place for the puddle lamp but I did have to change two lines on FORscan in the body control module for it to apply power to the wire. I donā€™t know why some people seem to not have to do that, but I know I did on my car.
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