Thread: QUICK QUESTION: Mysterious Plug

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  1. #1 QUICK QUESTION: Mysterious Plug 
    GTX Level Member dbextreme's Avatar
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    I am hooking up my new harness and found this plug under my "battery tray". Nothing goes to it and looking at it, it appears nothing has been hooked to it. It's as dusty inside as it is out. It's a three pin plug with only two pins in it. It appears to be coming out of the headlight harness right before the fuse panel between the battery and strut tower. Please Help!!!


    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  2. #2 Re: QUICK QUESTION: Mysterious Plug 
    GTP Level Member Rico's Avatar
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    I have the same plug and it's never been used. I think it's a factory accessory plug of some sort...maybe remote starter or something.
    It's a CUMMINS Dodge not a Dodge Cummins
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  3. #3 Re: QUICK QUESTION: Mysterious Plug 
    GTX Level Member dbextreme's Avatar
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    Shew. I'm not going crazy. (wonder how many people are going to go look now?) LOL
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  4. #4 Re: QUICK QUESTION: Mysterious Plug 
    GTP Level Member Rico's Avatar
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    Have you found the one on the back of the motor by the fire wall yet? Another mystery plug?
    It's a CUMMINS Dodge not a Dodge Cummins
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  5. #5 Re: QUICK QUESTION: Mysterious Plug 
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    The one on the back is for AIR pump IIRC.
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  6. #6 Re: QUICK QUESTION: Mysterious Plug 
    GTX Level Member dbextreme's Avatar
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    nope, not yet... Glad to know though incase I do find it I won't stress over it like I did this one.
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  7. #7 Re: QUICK QUESTION: Mysterious Plug 
    GTP Level Member Rico's Avatar
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    Quote Originally Posted by matt5112 View Post
    The one on the back is for AIR pump IIRC.
    Makes sense.
    It's a CUMMINS Dodge not a Dodge Cummins
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  8. #8 Re: QUICK QUESTION: Mysterious Plug 
    GTX Level Member dbextreme's Avatar
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    Now I'm going to spend a hour looking for it.. LMAO

    I do wonder what the plug by the battery is for though.. Might do some calling around tomorrow to see what it's to..
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  9. #9 Re: QUICK QUESTION: Mysterious Plug 
    GTX Level Member asite57's Avatar
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    honestly it looks alot like the fog light connector
    SOLD. 99 GTP - Open Cone, ZZP STB ,GMPP Front & Rear Sway Bar, 3" DP & Cat-Back, Built Trans, 12'' Brakes, Tune
    http://www.grandprixforums.net/gtp-t...ack-67489.html
    04 SRT4 - Bone Stock....For Now
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  10. #10 Re: QUICK QUESTION: Mysterious Plug 
    GrandPrix Junkie gtpeddie's Avatar
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    i found one plug under my upper rad support, not sure what it is but it seems to never have been hooked up

    97 GTP DD, 1952 Ford F-1 Resto Project, 2006 Mustang GT "UnDeR CoNsTrUcTiOn", 02 GPGT SOLD!, 98 GTP Parted/Scraped
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  11. #11 Re: QUICK QUESTION: Mysterious Plug 
    GTX Level Member dbextreme's Avatar
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    yeah that one I found on mine while I was hooking up my HID's... 2 pin plug I believe... if I look down where the hood latch is I can see it...
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  12. #12  
    I live here. MoarkatsINmuhtrailer's Avatar
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    Do you have digital hvac? Or digital rear view that shows temp? Cuz that's for the ambient air temp outside.

    I was confused at what it was too, so I looked at alldata and that's what it says it is.
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  13. #13 Re: QUICK QUESTION: Mysterious Plug 
    GTX Level Member dbextreme's Avatar
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    Nope, neither
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  14. #14 Re: QUICK QUESTION: Mysterious Plug 
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    Thats why its never been hooked up! its there just in case it was optioned with digital climate zone or rear view.
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