# no power to ecu

**URL:** <https://forums.speedlife.net/t/no-power-to-ecu/113601>\
**Category:** SON240sx Automotive\
**Created:** [March 2, 2008, 4:45pm UTC](https://forums.speedlife.net/t/no-power-to-ecu/113601 "2008-03-02T16:45:56Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Pants](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/pants/32/5590_2.png) [@Pants](https://forums.speedlife.net/u/Pants)\
**Post date:** [March 2, 2008, 4:45pm UTC](https://forums.speedlife.net/t/no-power-to-ecu/113601/1 "2008-03-02T16:45:56Z")

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ok so while i was playing around under the dash the ecu and my safc turned off.

is there a relay that powers this or a fuse?

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**Author:** ![draggone](https://avatars.discourse-cdn.com/v4/letter/d/5fc32e/32.png) [@draggone](https://forums.speedlife.net/u/draggone)\
**Post date:** [March 2, 2008, 5:41pm UTC](https://forums.speedlife.net/t/no-power-to-ecu/113601/2 "2008-03-02T17:41:48Z")

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There should be a fuse in the engine bay. Did you check with a test light?