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Author Topic: Replacing OEM "bog solenoid" with an aftermarket unit  (Read 19919 times)
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MSMzer04
Mazdspeed Miata 2004
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Posts: 615



« Reply #15 on: March 20, 2015, 10:18:10 PM »

I ordered the parts for this... one thing left out is the gauge, I believe you are using 14-16 gauge on your picture for the male spade connectors.

Just a quick note, the actual gauge of the wire is: 24AWG

Since both wires are black, which one goes to positive and which one goes to ground?

Wouldn't I and II be reversed if + and - are reversed as well?
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DaveB
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« Reply #16 on: March 20, 2015, 10:32:33 PM »

Since both wires are black, which one goes to positive and which one goes to ground?
Wouldn't I and II be reversed if + and - are reversed as well?

Polarity does not matter in the solenoid valves Smiley

You cannot reverse the ports: they still are normally closed and Normally open and the polarite reverse does not change it.
I - Normally closed port goes to the intake
II - Normally open port goes to the Pressure sensor
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MS2E, 650cc, FM Full Exhaust, MBC, Joe's Intake
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MSMzer04
Mazdspeed Miata 2004
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Posts: 615



« Reply #17 on: March 20, 2015, 11:09:12 PM »

 Smiley

Thanks for clearing that up for me, I hope I'm not the only dummy that had that question lol
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#1923 of the '04s is under construction at:
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5speedMS
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« Reply #18 on: July 08, 2015, 03:41:13 AM »

So glad others have done this since I posted my how to  afro
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________________________________
Andrew
04 MSM... Factory Hard Top, Corksport FMIC kit, FM TB inlet, Apex'i AVC-R @ 10.5psi, HKS SSQV, FM downpipe, FM 02 Mod, DDM Tuning 5000k HID in Low Beams, DDM Tuning 3000k HID in Fogs, Autometer Boost gauge.

More to come Smiley
svetki
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Posts: 133


« Reply #19 on: July 08, 2015, 06:47:38 PM »

Noticed my oem made a couple clicking noises while it was idling with the hood up. 

Is this a sign its going bad or needs cleaning? 

Have not had any bogs, but rather replace than clean if it is on its way out.
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SilverMiataRacer
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« Reply #20 on: July 08, 2015, 06:54:53 PM »

You sure it was the "bog" solenoid that clicked and not the solenoid for the charcoal canister?  The bog solenoid is the bigger one that is almost under the edge of the fender.
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Larry

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TheBigChill
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« Reply #21 on: July 16, 2015, 01:49:05 PM »

Bumping this from the dead.

Ok- everything here is easy and self-explanatory except: Why are you guys using a Valve rated for 24VDC, when our electrical system is 12VDC (most likely regulated down to 10VDC or so)?

I would assume that applying 12VDC or less to this 24VDC coil, means you're under-driving the solenoid (providing full voltage should cause faster valve response and less oscillation).

I don't want to overthink this, but this doesn't quite add up to me.

EDIT:     Nevermind.  The valve supplier site was confusing, as they stated its voltage rating as 24VDC, even for the 411L3212HV part#.  411L3212HV dsignates 12VDC.  A quick look at their part# designation cleared this up.  Carry on Smiley

PS:  McMaster Carr carries these valves, too.  Just at almost twice the price...   http://www.mcmaster.com/#miniature-solenoid-valves/=y2scvy
« Last Edit: July 16, 2015, 01:57:26 PM by TheBigChill » Logged
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