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Thread: Wiring factory ABS sensor into HP.

  1. #11

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    Quote Originally Posted by froman View Post
    Hey everyone, long time lurker, first time poster. I want to wire in a Hall-Effect sensor from the driveshaft into one of my inputs and use the sine wave signal from the front ABS sensor on my '97 Cobra into another input. I know that the HP doesn't support the front ABS sensor, but I have this nifty little Dakota Digital signal converter that will convert the sine wave from the ABS sensor to a square wave that the Holley should accept. The purpose of doing this is to compare the two signals for a poor-man's traction control. Is it a good idea to convert the signal from the ABS sensor for this purpose? Are there issues at low RPM or with some kind of latency/accuracy or something from converting the signal? Anyone who has experience with this, please chime in and let me know if this is a bad idea and why.
    Quote Originally Posted by Danny Cabral View Post
    The option types in the Inputs/Outputs ICF are Digital Speed/Frequency or IPU Speed/Frequency.
    Thank you Danny.

  2. #12
    Join Date
    Dec 2009
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    You're welcome. (I added some pertinent information to post #10.)
    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. #13

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    There is no "S" input on the HP harness.

  4. #14
    Join Date
    Dec 2009
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    Connecticut
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    Correct. The HP & Dominator ECUs can be wired for a VSS or driveshaft speed sensor (LINK).
    However, the HP ECU is only compatible with the better, Hall-Effect (digital) "F" Type speed sensors.
    The Dominator ECU is compatible with Hall-Effect (digital) speed sensors, as well as VR Magnetic (inductive) "S" Type pickup speed sensors.
    http://documents.holley.com/techlibr...10555rev17.pdf (Holley EFI Wiring Manual - Section 9.1 "Inputs", Pages 27 & 28)

    Hall-Effect: 3-wire, square wave signal (digital), pulse generation
    VR Magnetic: 2-wire, sine wave signal (inductive), voltage generation
    http://www.electronicproducts.com/El...g_for_you.aspx (Hall-Effect vs VR Magnetic)
    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. #15

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    Well, now that I can send inputs from the Pro Dash to the HP, does the Pro Dash take 2-wire speed inputs?

  6. #16
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    22,683

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    From the Holley EFI 553-111 12.3" Pro Dash webpage: "The Pro Dash also features two dedicated speed inputs, for RPM, Driveshaft speed, or any other Hall-Effect speed input."
    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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