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  1. #1
    FEP Senior Member BlackMamba's Avatar
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    Default Hard time finding right alternator plug

    I'm having a hard time finding a 2 wire alternator plug for my 86 mustang v8. Can I use the 87+ 3 wire alternator plug but only use the yellow and green wire and not use the white wire?
    Current Cars:
    1979 Mustang Ghia Coupe 5.0 3J Bright Blue
    1984 GT T top 306 5 speed "Black Mamba"
    1986 Saleen Black with Silver Stripes 86#009
    1986 Mustang GT Medium Canyon Red 5 speed 5.0
    1999 Mustang GT Convertible 35th anniversary 69K miles.
    2002 Nissan Maxima 6 Speed "Daily Driver"
    2009 Corvette 6 speed LS3

    1998 Cobra 71k miles Canary Yellow "Nana" SOLD

  2. #2
    Moderator wraithracing's Avatar
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    Default

    Double check this as I am nowhere near an alternator or wiring to verify this.

    If this is the correct plug, but with the extra wire http://www.repairconnector.com/produ...252d-1989.html then I believe you can just not connect the one wire and you should be fine.

    Again, double check the actual connection to verify this as I haven't wired up an alternator in awhile.

    Trey
    ​Trey

    "I Don't build it hoping for your approval! I built it because it meets mine!"

    "I've spent most of my money on Mustangs, racing, and women... the rest I just wasted."

    Mustangs Past: Too many to remember!
    Current Mustangs:
    1969 Mach 1
    1979 Pace Car now 5.0/5 speed
    1982 GT Stalled RestoModification
    1984 SVO Still Waiting Restoration
    1986 GT Under going Wide Body Conversion Currently

    Current Capris:
    1981 Capri Roller
    1981 Capri Black Magic Roller Basket Case
    1982 Capri RS 5.0/4spd T-top Full Restoration Stalled in TX
    1984 Capri RS T-top Roller
    1983-84 Gloy Racing Trans Am/IMSA Body Parts

  3. #3
    FEP Senior Member BlackMamba's Avatar
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    Trey,

    Its actually this one http://www.repairconnector.com/produ...Connector.html

    Its flat on one side and rounded on the opposite.

    What is the white wire in the middle for? Stator?
    My harness currently only has the yellow and green wire.



    And this is the one I found in my stash of extra parts.

    Current Cars:
    1979 Mustang Ghia Coupe 5.0 3J Bright Blue
    1984 GT T top 306 5 speed "Black Mamba"
    1986 Saleen Black with Silver Stripes 86#009
    1986 Mustang GT Medium Canyon Red 5 speed 5.0
    1999 Mustang GT Convertible 35th anniversary 69K miles.
    2002 Nissan Maxima 6 Speed "Daily Driver"
    2009 Corvette 6 speed LS3

    1998 Cobra 71k miles Canary Yellow "Nana" SOLD

  4. #4

    Default

    The Standard S-737 may be what you're looking for -
    http://www.rockauto.com/catalog/moreinfo.php?pk=50380&cc=1133840

    Click image for larger version. 

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    Click image for larger version. 

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    Last edited by JACook; 04-24-2014 at 10:43 AM.
    Cheers,
    Jeff Cook

    '85 GT Hatch, 5-speed T-Top, Eibachs, Konis, & ARE 5-Spokes ... '85 GT Vert, CFI/AOD, all factory...
    '79 Fairmont StaWag, 5.0, 62K original miles ... '04 Azure Blue 40th Anny Mach 1, 37K original miles...
    2012 F150 S-Crew 4x4 5.0 "Blue Coyote"... 65 coupe, 289 auto, Pony interior ... '67 coupe 6-cyl 4-speed ...
    '68 Vert, Mexican block 307 4-speed... '71 Datsun 510 ...
    And a 1-of-328 Deep Blue Pearl 2003 Marauder 4.6 DOHC, J-Mod, 4.10s and Lidio tune

  5. #5
    FEP Senior Member BlackMamba's Avatar
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    Default

    Quote Originally Posted by JACook View Post
    The Standard S-737 may be what you're looking for -
    http://www.rockauto.com/catalog/moreinfo.php?pk=50380&cc=1133840

    Click image for larger version. 

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Views:	51 
Size:	35.9 KB 
ID:	70362

    Click image for larger version. 

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ID:	70361
    The one I need had 3 vertical lines on the plug with only two wires coming out (green and yellow). I ended up using the 3 wire plug but only hooked up the two wires and it seems to work fine. I drove it for about 20-30 minutes and it held up so far. I also did the quick disconnect the neg battery cable while the car is on to see if it shuts off test and it stayed on.
    Current Cars:
    1979 Mustang Ghia Coupe 5.0 3J Bright Blue
    1984 GT T top 306 5 speed "Black Mamba"
    1986 Saleen Black with Silver Stripes 86#009
    1986 Mustang GT Medium Canyon Red 5 speed 5.0
    1999 Mustang GT Convertible 35th anniversary 69K miles.
    2002 Nissan Maxima 6 Speed "Daily Driver"
    2009 Corvette 6 speed LS3

    1998 Cobra 71k miles Canary Yellow "Nana" SOLD

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