# What is this ??????????????????

**URL:** <https://forums.speedlife.net/t/what-is-this/113689>\
**Category:** SON240sx Automotive\
**Created:** [March 6, 2008, 9:33am UTC](https://forums.speedlife.net/t/what-is-this/113689 "2008-03-06T09:33:04Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![big-byrd](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/big-byrd/32/3192_2.png) [@big-byrd](https://forums.speedlife.net/u/big-byrd)\
**Post date:** [March 6, 2008, 10:17am UTC](https://forums.speedlife.net/t/what-is-this/113689/4 "2008-03-06T10:17:07Z")

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> [@bear attack \*tuna comercial\*](https://forums.speedlife.net/t/bear-attack-tuna-comercial/16165/7):
>
> In both my cars those boxes have always been on the Driver’s side. I thought they had to do with auto tranny control systems.

if i remember correctly, the automatic transmission control units are on the passenger side above the ecu…

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