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controlling a boost solenoid

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Old Jan 24, 2017 | 11:58 AM
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Default controlling a boost solenoid

Ok - so way too much reading and no answers

I want to run a 4 port boost solenoid.

What is the quick and dirty way to control it?

I am running a stock pcm - so no outputs there.

Can something like a rotary switch be used to regulate the solenoid?

Or do I have to buy an electronic boost controller and sub out the 3 port solenoid.

thanks
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Old Jan 24, 2017 | 12:07 PM
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You cannot control a PWM solenoid with the stock computer. It'll need its own controller.
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Old Jan 24, 2017 | 12:09 PM
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You will need some sort of aftermarket controller. The solenoid only opens/closes so a controller is needed to PWM it.
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Old Jan 24, 2017 | 02:54 PM
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hmmm - I see Denmah using an AEM 12 position trim pot to run his boost controller prior to going to microsquirt, and I see a few ebay units that appear to be just some form of rotary dial
I am looking for how this is done and the possibility of doing something similar??
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Old Jan 24, 2017 | 03:13 PM
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Originally Posted by Seeker1056
hmmm - I see Denmah using an AEM 12 position trim pot to run his boost controller prior to going to microsquirt, and I see a few ebay units that appear to be just some form of rotary dial
I am looking for how this is done and the possibility of doing something similar??
He's using that with the Megasquirt 3 ECU with built in boost control. The trim pot is going to the ecu and regulating the solenoid duty cycle.
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Old Jan 24, 2017 | 06:02 PM
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If you dont know what you're doing or how stuff works...just buy a boost controller.

A solenoid is only 1 part of an overall package.

But as others have said, there is no way to control boost from the factory ecu.
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