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GT350 front end conversion - headlight wiring

larsif

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Dec 19, 2022
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Centennial, CO
First Name
Larry
Vehicle(s)
2019 Mustang GT PP1 Oxford White
So I am in the final push on the GT350 front end conversion of my 2019 Mustang PP1. I used the factory bumper, hood and fenders along with a lot of other factory parts to complete. I am struggling on the headlight wiring. The GT350 uses 2017 style headlights. I have the service manual for the 2019 mustang with wiring diagrams. Pictures are provided below. I am not able to get the high or low beams to work. When I toggle the high beam via the steering column lever I can hear the relay clicking and the high beam blue light illuminates on the dash. I can get the DRL to come on but not the low beams. The 2019 wiring diagram shows a red wire which I do not have in my connector. The 2017 headlights do not have a pin 5 for PARK. The 2017 headlights only have pins 1,3,8,10,12 and 14. Any help is greatly appreciated.

2017 headlight wiring.PNG


2019 headlight wiring.PNG


Wiring connections.PNG


2017 Headlight Pinout.jpg


2019 headlight connectors.jpg


DRL.jpg
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larsif

larsif

Member
Joined
Dec 19, 2022
Threads
2
Messages
5
Reaction score
0
Location
Centennial, CO
First Name
Larry
Vehicle(s)
2019 Mustang GT PP1 Oxford White
So when you buy headlight housings they do not include the bulb or the ballast. Crap!!! I sold my old headlights so I can not use those parts. Off to search the web for replacement items. This should solve the problem. Dout!!!
 
 








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