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Dec 4, 2008, 06:55 AM
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#1
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Installing GM 3 Port Boost Solenoid
I am currently removing the OEM boost solenoid and replacing with the GM 3-port Boost Solenoid. i know there is a post (it is vague) about installing this but i need some further clarification.
coming off the MAF sensor wire there are 2 additional wire that clip into the previous OEM boost solenoid - one black and one gray.
which one do i splice the pigtail into?
Thanks in advance.
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Dec 4, 2008, 10:20 AM
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#2
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Quote:
Originally Posted by rolly1818
I am currently removing the OEM boost solenoid and replacing with the GM 3-port Boost Solenoid. i know there is a post (it is vague) about installing this but i need some further clarification.
coming off the MAF sensor wire there are 2 additional wire that clip into the previous OEM boost solenoid - one black and one gray.
which one do i splice the pigtail into?
Thanks in advance.
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you mean this post?
HOW TO - Control boost using ECUFLash and 3 port GM boost solenoid
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Dec 4, 2008, 10:28 AM
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#3
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yup but still does not answer my questions....
i have added the resistor,etc to the pigtail. however, which of the stock wires do i splice?
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Dec 4, 2008, 10:51 AM
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#4
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Quote:
Originally Posted by rolly1818
yup but still does not answer my questions....
i have added the resistor,etc to the pigtail. however, which of the stock wires do i splice?
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can't you just pull back the wires on stock solenoid plug and tap there? Order wont matter its just a switch.
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Car: 2004 Evo RS on E85 with Speed Density ECU mod
Buschur Parts:
Cone filter , IC pipes, Race Intercooler
Other parts:
Zeitronix WB,Tial Sport Q, Walbro 255lph, ACT 6 Puck with prolite flywheel ,GSC S1 cams, 1200cc injectors, Cobb catbac, Helix downpipe & O2 Outlet, 100 cell cat, 3 Port , FP Red, Stock ECU, Stock block/head/intake/tb
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Dec 4, 2008, 01:20 PM
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#5
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Quote:
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can't you just pull back the wires on stock solenoid plug and tap there? Order wont matter its just a switch.
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there are two wires going to the OEM Boost Solenoid.
the 3-Port Boost Solenoid pigtail uses/requires only 1....which one?
thats what i need to know!
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Dec 4, 2008, 01:26 PM
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#6
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there should be two on there as well....one that has the resister and the other wire without....i just plugged it in on a guess and figured if it ran wrong, i'd swap it...being that i bout it used and din't do the wireing...who knows what wire went where
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Dec 4, 2008, 01:36 PM
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#7
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The two wires for the GM bcs need to be connected to the original two bcs wiring. One wire (can be either of the two) needs to have the resistor wired in.
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Dec 4, 2008, 01:40 PM
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#8
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Yup two wires to the two wires for the OEM BCS. Doesn't matter polarity.
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Dec 4, 2008, 02:32 PM
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#9
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Quote:
Originally Posted by rolly1818
there are two wires going to the OEM Boost Solenoid.
the 3-Port Boost Solenoid pigtail uses/requires only 1....which one?
thats what i need to know!
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How can anything work with one wire? 
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Dec 4, 2008, 02:46 PM
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#10
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Quote:
Originally Posted by rolly1818
there are two wires going to the OEM Boost Solenoid.
the 3-Port Boost Solenoid pigtail uses/requires only 1....which one?
thats what i need to know!
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Do you have the correct pigtail? Mine came with 2-wires.....as well as everyone else who has done the gm 3port swap.
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Dec 4, 2008, 02:56 PM
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#11
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Quote:
Originally Posted by mplspilot
How can anything work with one wire? |
LOL
The GM 3port has 2 contacts. The GM pigtail has a weather pak connector with 2 gray wires coming off of it. You can hook the wires up either way as others have mentioned, polarity doesnt matter. Just make sure to plumb it so that it will go to wastegate pressure when the solenoid is not energized.
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Dec 4, 2008, 03:25 PM
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#12
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i know it cannot work with one wire otherwise i would have it on my car trying like an idiot 
i understand what you guys are saying, and yes there are two wires out from the pigtail.
but there are also 2 clips that plugged into the OEM Boost Solenoid.
i am guessing i am supposed to plug one into the 3- port boost solenoid, and splice the other onto the pigtail (polarity does not matter?).
i am hope i am not missing anything, please confirm!
Thanks again
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Dec 4, 2008, 04:18 PM
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#13
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In the write up the guy stated that it didn't matter which wire connected to the other. He connected the wire with the resister to the wire with the red on it and then just connect the other two. I did the same and it works perfect. You are looking way too into this and confusing yourself and others.
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Dec 4, 2008, 04:18 PM
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#14
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Quote:
Originally Posted by rolly1818
i know it cannot work with one wire otherwise i would have it on my car trying like an idiot
i understand what you guys are saying, and yes there are two wires out from the pigtail.
but there are also 2 clips that plugged into the OEM Boost Solenoid.
i am guessing i am supposed to plug one into the 3- port boost solenoid, and splice the other onto the pigtail (polarity does not matter?).
i am hope i am not missing anything, please confirm!
Thanks again |
two clips? only one connector down there last time i looked.
Reference picture with adapter:
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Car: 2004 Evo RS on E85 with Speed Density ECU mod
Buschur Parts:
Cone filter , IC pipes, Race Intercooler
Other parts:
Zeitronix WB,Tial Sport Q, Walbro 255lph, ACT 6 Puck with prolite flywheel ,GSC S1 cams, 1200cc injectors, Cobb catbac, Helix downpipe & O2 Outlet, 100 cell cat, 3 Port , FP Red, Stock ECU, Stock block/head/intake/tb
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Dec 4, 2008, 04:29 PM
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#15
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Quote:
two clips? only one connector down there last time i looked.
Reference picture with adapter:
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my own looks like the one in the Original Post lol...
i think i am really looking into this too much and confusing everyone!!
to clear it up the pigtail has 2 wires! the harness running to the MAF, branches off into two clips with 2 wires each these connect to the OEM boost solenoid.......
damn this is confusing, i need to get some pics!
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Tags
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3, 3port, boost, controller, evo, evolution, gm, greddy, instal, ix, port, ports, solenoid, stock, wastegate  |
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