# help! in need of mustang wire diagram

**URL:** <https://forums.speedlife.net/t/help-in-need-of-mustang-wire-diagram/16875>\
**Category:** NYSpeed Automotive\
**Created:** [September 2, 2006, 7:42pm UTC](https://forums.speedlife.net/t/help-in-need-of-mustang-wire-diagram/16875 "2006-09-02T19:42:51Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![system](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/2X/b/b7170c8eddc0b95ece6b88172b2f416a08489a45.png) [@system](https://forums.speedlife.net/u/system)\
**Post date:** [September 2, 2006, 7:42pm UTC](https://forums.speedlife.net/t/help-in-need-of-mustang-wire-diagram/16875/1 "2006-09-02T19:42:51Z")

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i am in need of a wire diagram for the ecu on a 2003 mustang. the car is not mine and the person does not have a manual for the car and i was wondering if anyone knows the pin out for the ecu or could help point me in the correct direction, buying a manual is not an option for this kid and i only need to know 2 wires so any help would be great.

thanks,  
adam

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**Author:** ![BDR5oh](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/bdr5oh/32/7315_2.png) [@BDR5oh](https://forums.speedlife.net/u/BDR5oh)\
**Post date:** [September 3, 2006, 5:50am UTC](https://forums.speedlife.net/t/help-in-need-of-mustang-wire-diagram/16875/2 "2006-09-03T05:50:18Z")

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what wires ???

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**Author:** ![Fetter](https://avatars.discourse-cdn.com/v4/letter/f/c2a13f/32.png) [@Fetter](https://forums.speedlife.net/u/Fetter)\
**Post date:** [September 3, 2006, 7:23am UTC](https://forums.speedlife.net/t/help-in-need-of-mustang-wire-diagram/16875/3 "2006-09-03T07:23:24Z")

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> [@whitecivic](#):
>
> i am in need of a wire diagram for the ecu on a 2003 mustang. the car is not mine and the person does not have a manual for the car and i was wondering if anyone knows the pin out for the ecu or could help point me in the correct direction, buying a manual is not an option for this kid and i only need to know 2 wires so any help would be great.
> 
> thanks,  
> adam

I don’t get why buying amanual is not an option. They help greatly. :gotme:

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**Author:** ![OfficerK](https://avatars.discourse-cdn.com/v4/letter/o/4da419/32.png) [@OfficerK](https://forums.speedlife.net/u/OfficerK)\
**Post date:** [September 3, 2006, 7:24am UTC](https://forums.speedlife.net/t/help-in-need-of-mustang-wire-diagram/16875/4 "2006-09-03T07:24:53Z")

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yeah go to schlepboys and get a haynes. Id give you my old one (if i even have it around, but i see youre in the roc