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  #1  
Old 21-03-2012, 05:22 PM
Richard L Richard L is offline
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Default Mazdaspeed 3






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Old 18-04-2012, 09:02 PM
skeurton skeurton is offline
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Default Re: Mazdaspeed 3

I have an aftermarket electronic boost control solenoid running in 3-port interrupt mode. It plugs into the stock harness, just like the stock solenoid. The same principles apply when tuning for it, but it requires much less wastegate duty cycle (at least 25% less) than the stock solenoid.

Can I still follow the wiring diagram above? Or does it need to be wired differently? Here is a link to the product and manual:

Product:
http://www.grimmspeed.com/catalog/pr...roducts_id=194

Manual:
https://www.grimmspeed.com/install_g...MazdaSpeed.pdf
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Old 13-04-2015, 06:55 PM
jdraps13 jdraps13 is offline
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Default Re: Mazdaspeed 3

Quote:
Originally Posted by skeurton View Post
I have an aftermarket electronic boost control solenoid running in 3-port interrupt mode. It plugs into the stock harness, just like the stock solenoid. The same principles apply when tuning for it, but it requires much less wastegate duty cycle (at least 25% less) than the stock solenoid.

Can I still follow the wiring diagram above? Or does it need to be wired differently? Here is a link to the product and manual:

Product:
http://www.grimmspeed.com/catalog/pr...roducts_id=194

Manual:
https://www.grimmspeed.com/install_g...MazdaSpeed.pdf
This is what I'm trying to sort out
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  #4  
Old 13-04-2015, 09:07 PM
Richard L Richard L is offline
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Default Re: Mazdaspeed 3

OK, ignore the page 21 posts.

You don't need to do anything different to the system wiring. Just wiring it up as it is the factory BCV.
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Old 13-04-2015, 10:21 PM
jdraps13 jdraps13 is offline
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Default Re: Mazdaspeed 3

Quote:
Originally Posted by Richard L View Post
OK, ignore the page 21 posts.

You don't need to do anything different to the system wiring. Just wiring it up as it is the factory BCV.
Okay thank you, so i soldered the stuff as the diagram says except soldered the 3 instead of 2 for my 3 bar map sensor, and set up the jumpers as diagram said but was missing one so pulled the one off PRK and used it instead is that okay?
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Old 13-04-2015, 10:29 PM
Richard L Richard L is offline
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Default Re: Mazdaspeed 3

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Originally Posted by jdraps13 View Post
Okay thank you, so i soldered the stuff as the diagram says except soldered the 3 instead of 2 for my 3 bar map sensor, and set up the jumpers as diagram said but was missing one so pulled the one off PRK and used it instead is that okay?
Do not follow the jump on the previous diagram, they are not accurate. Go by the gold dots (default). Have you solder linked the x2.5 and cut x1?
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Old 19-04-2012, 07:18 AM
Richard L Richard L is offline
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Default Re: Mazdaspeed 3

Yes, you can continue using the above wiring diagram. We just cut the PWM signal to the BCV. It will work with any valve.

One reason for a lower duty cycle is needed on the grimmmspeed valve is probably due to slightly larger orifice in the ports.
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Old 13-04-2015, 11:46 AM
jdraps13 jdraps13 is offline
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Default Re: Mazdaspeed 3

Quote:
Originally Posted by Richard L View Post
Yes, you can continue using the above wiring diagram. We just cut the PWM signal to the BCV. It will work with any valve.

One reason for a lower duty cycle is needed on the grimmmspeed valve is probably due to slightly larger orifice in the ports.
Where would I cut in order for this application? Or is this something you guys do prior?
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Old 13-04-2015, 04:34 PM
Richard L Richard L is offline
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Default Re: Mazdaspeed 3

If you place an order from our online shop, we will make the necessary modifications for you. But do make a comment at check out to be sure.
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Old 13-04-2015, 05:00 PM
jdraps13 jdraps13 is offline
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Default Re: Mazdaspeed 3

I have the kit already just wondering where the cut point is
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