3800 L67 Evap Hookup (Page 1/1)
MichiganReefer JUN 12, 09:47 PM
So I'm getting close to wrapping up my 3800 swap into my car and have some uncertainties with the Evap/Emissions hookup for my car. I have found Darth's diagram on how to hookup the system vacuum lines like this.


I have the solenoid, but no means of how to connect it electrically. My swap harness doesn't have it included and I'd like to have functionality. Does anyone know how frequently the solenoid should activate? Could a simple timer circuit work? Is once a key cycle enough? Does anyone know the control scheme for it?

[This message has been edited by MichiganReefer (edited 06-12-2023).]

IMSA GT JUN 12, 10:28 PM
I was just looking at his replies and saw that he posted this. It appears it has to be connected to the PCM

[This message has been edited by IMSA GT (edited 06-12-2023).]

jb1 JUN 12, 10:34 PM
1 wire to pin 76 blue pcm conn. Other to switched 12v pin K of c203

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3800sc plug and play harnesses for sale.


85GT Northstar/ 4t80e
Northstar Rebuild