Turbo boost control

Discussion and support for MoTeC's previous generation of entry level ECUs

Turbo boost control

Postby stainless1 on Sun Jun 19, 2022 3:09 pm

I am adding boost control to my M84 used on a Bonneville Land Speed Car.
Can I ground the control solenoid and use Aux 1 for voltage or should I put 12v on the solenoid and use Aux 1 to control ground. Does it matter? Can it be done either way?
Thanks
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Re: Turbo boost control

Postby stevieturbo on Mon Jun 20, 2022 2:34 am

ecu outputs ground trigger.

Put 12v to the solenoid, and then the other wire is the ecu trigger.
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Re: Turbo boost control

Postby Stephen Dean on Mon Jun 20, 2022 10:22 am

Hi,

Wire it as Stevie said, it is the better option to have the ECU providing the ground than the power for solenoids and similar.
Stephen Dean
MoTeC Research Centre Melbourne, Australia
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Re: Turbo boost control

Postby stainless1 on Mon Jun 20, 2022 10:26 am

Thanks, in trying to set it up on the computer I saw that Aux 1 can't do PWM with volts, only ground. Looking for a switched power to tie into and will put the ground lead on Aux 1 or Aux 3.
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