Need ECU to power on car?
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Rotax?! WTF is a Rotax!?
Joined: Sep 2004
Posts: 616
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From: Toronto
Need ECU to power on car?
Heya,
Does anyone know if i need to have the stock ECU IN to beable to turn the car on (like to acc, not fully on as in cranking). Currently i dont have the ECU because i sold it to do a Haltech install, and i dont have the haltech installed yet. But i wanted to do a few things i know i can do (like install a stereo in the meantime) but i need power to verify. Thanks.
Does anyone know if i need to have the stock ECU IN to beable to turn the car on (like to acc, not fully on as in cranking). Currently i dont have the ECU because i sold it to do a Haltech install, and i dont have the haltech installed yet. But i wanted to do a few things i know i can do (like install a stereo in the meantime) but i need power to verify. Thanks.
I'm a boost creep...
Joined: Jan 2002
Posts: 15,608
Likes: 8
From: Auckland, New Zealand
All the ECU does is run the engine. It gets it's power from a relay switched on by turning the key to ON, so the car needs to be "turned on" for the ECU to work, not the other way around.
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Mar 11, 2019 05:34 PM