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Thread: ECU Connectors & Terminals - Holley EFI

  1. #51

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    I went ahead and bought the Unterminated Universal Main Harness. Now do you know where to buy all the connectors & parts for the sensor ends? I don't want to solder pigtails, and I'm having a hard time sourcing all the connectors. All I have is 3-4 parts kits (connector with terminals & seals).

  2. #52
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    Quote Originally Posted by meangreen94z View Post
    Now do you know where to buy all the connectors & parts for the sensor ends?
    The sensor connectors, terminals & seals are supplied in the Holley 558-105 Unterminated Universal Main Harness.
    Just for the record, the Holley EFI Universal Unterminated Wire Harness is intended for people with wiring experience.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  3. #53

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    Quote Originally Posted by Danny Cabral View Post
    The sensor connectors, terminals & seals are supplied in the Holley 558-105 Unterminated Universal Main Harness.
    Just for the record, the Holley EFI Universal Unterminated Wire Harness is intended for people with wiring experience.
    I've done lots of wiring. I did my BS3, but the place I bought all the ones that weren't with that harness, is closed. I'm pretty sure the IAC, oil & coil pack connectors aren't included with the harness.

  4. #54
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    Quote Originally Posted by meangreen94z View Post
    I've done lots of wiring. I did my BS3, but the place I bought all the ones that weren't with that harness, is closed.
    There are many online automotive electrical stores to choose from.

    I'm pretty sure the IAC, oil & coil pack connectors aren't included with the harness.
    Yes, the connectors for the IAC motor & oil pressure sensor are included. Look at the picture.
    The LSx ignition coil pack wiring requires the Holley 558-307 CNP Main Harness.
    http://documents.holley.com/199r10515rev3.pdf (Holley 558-307 CNP Main Harness Instructions)

    Holley non-LSx main harness:
    The Holley 558-307 CNP main harness is for Holley's Coil-On-Plug smart coils and LSx ignition coils (nine terminated loose wires into J1B).
    If using Holley's 556-112 CNP coils, the Holley 558-318 CNP coil sub-harness is also required (or the Holley 556-128 CNP Big Wire V8 Kit).
    For LSx coils, Holley 558-307 CNP main harness plugs into two GM 12579355 CNP sub-harnesses or Holley 558-321 LSx coil sub-harnesses.
    If you had a Holley EFI LSx main harness, you wouldn't need the Holley 558-307 CNP main harness or the 558-318 CNP coil sub-harness.
    https://www.holley.com/products/igni...nd_components/ (Holley EFI Coil-Near-Plug Ignition Components)
    http://documents.holley.com/efi_sele...chart62914.pdf (Holley HP & Dominator EFI Component Selection Guide)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  5. #55

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    This thread should be a "sticky!" Andrew

  6. #56

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    Danny, do you have the female style connector for the J1A/B on the main harness? I think that's the only one I still need to get.

  7. #57
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    Quote Originally Posted by meangreen94z View Post
    Danny, do you have the female style connector for the J1A/B on the main harness?
    The I/O Harness connector is a black, eight cavity Delphi Metri-Pack 150 Series connector with eight female terminals.
    http://www.powerandsignal.com/docs/D...%20Catalog.pdf (Delphi Connection Systems Catalog - Page 2.16)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  8. #58

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    Oh, I see where the Holley I/O Auxiliary Harness was inquired about on page 1, and you replied. Thank you yet again sir, for your help.

  9. #59

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    Are the EFI Connection part #100-00130 & derivatives, the correct terminals for the 554-102 Holley pressure sensors? How do you create a link, like I see so often that just has a highlighted "LINK" to take you to the web page? I could not find it in the forum instructions. Thanks, Sam
    Last edited by longezo320; 03-14-2016 at 08:31 PM.

  10. #60
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    Quote Originally Posted by longezo320 View Post
    Are the EFI Connection part #100-00130 & derivatives, the correct terminals for the 554-102 Holley pressure sensors?
    Their website is currently offline, so I can't verify the EFI Connection part number. However, please post the product website link.
    FYI: Don't confuse the GT 3.5 mm centerline terminals with the Metri-Pack 150/150.2 series terminals.
    Both are very similar "Pull-To-Seat" type terminals. Look closely at your terminals before ordering.
    Delphi Metri-Pack 150 connector is much better (LINK). I don't like the Delphi GT 150 style connector (LINK).
    https://www.eficonnection.com/home/c...ector-pigtails (Select the connector at left and click "Filter", then its terminal will be listed below.)

    How do you create a link, like I see so often that just has a highlighted "LINK" to take you to the web page? I could not find it in the forum instructions.
    Left click & drag to highlight the word or phrase, then click the "Link" icon and enter the URL & "OK". Then underline it with the "U" icon.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

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