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help duratec 3.0 V6 plug Ford 500 #4113311 06/02/16 11:22 AM
Joined: Oct 2009
Posts: 301
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sirgerman Offline OP
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Joined: Oct 2009
Posts: 301
I replaced the spark plugs in Ford 500, but i dont know what to do with this plug ?I dont see where it should be connected, can you guys help me out ?










Re: help duratec 3.0 V6 plug Ford 500 [Re: sirgerman] #4113324 06/02/16 11:37 AM
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Posts: 1,197
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GSCJR Offline
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Looks like a test port or a plug for a dealer add on; Leave it alone. HTH

Last edited by GSCJR; 06/02/16 11:38 AM.

07 3.5L VQ35DE NAPA FS 5w-20 ProSelect 21358 155KM
10 3.5L 2GR-FE NAPA FS 5w-20 ProSelect 27047 175KM
Re: help duratec 3.0 V6 plug Ford 500 [Re: GSCJR] #4113331 06/02/16 11:46 AM
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Ethan1 Offline
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Yup sometimes there is a pigtail that doesn't connect to anything

Re: help duratec 3.0 V6 plug Ford 500 [Re: GSCJR] #4113378 06/02/16 12:40 PM
Joined: Apr 2012
Posts: 3,159
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Bgallagher Offline
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Originally Posted By: GSCJR
Looks like a test port or a plug for a dealer add on; Leave it alone. HTH


+1 I would put some dielectric grease in it then wrap it in electrical tape.


2017 Chevy Traverse - 28k - Delco Dexos 1 and PF63
2014 Chevy Equinox - 22k - Delco Dexos 1 and PF457G
2015 GMC Terrain - 22k- Delco Dexos 1 and PF457G
Re: help duratec 3.0 V6 plug Ford 500 [Re: sirgerman] #4117838 06/07/16 03:28 PM
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ford46guy Offline
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Could be an octane adjust pigtail. They change the calibration a bit when you remove the jumper. They were on Fords for a very long time.

Last edited by ford46guy; 06/07/16 03:28 PM.

95 Tbird V8 240K PP SYNTH ULTRA 5W30
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