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  • #1

    Setting Up Speedometer

    Hello, looking for advice with my setup, trying to get the speedometer to work. This is what I'm using:
    Dominator ECU
    558-504 Main Harness
    558-401 J2A Auxiliary Harness
    558-402 J2B Auxiliary Harness
    553-106 Digital Dash
    Gear vendor overdrive
    2-wire 40 tooth magnetic pickup AC volt. Like the TH400 automatic transmission.

    I've been trying a few things with no success. So just want to start fresh with advice on how to set it up. Is the J4 harness needed? Any advice would be greatly appreciated. Thank you, Dustin
    Tags: None
  • #2
    Are you trying to send a pulses per mile signal to a speedometer, or adding a vehicle speed sensor channel input?
    If operating an electronic speedometer, do so by using the "Speedometer Output Enable" in the Transmission ICF:
    http://forums.holley.com/showthread....0291#post30291 (Speedometer Output Info - Dominator ECU/Transmission ICF)
    If wiring a stand-alone VSS sensor (MPH display), do so with a custom speed Input in the Inputs/Outputs ICF:
    http://forums.holley.com/showthread....ith-Holley-EFI (Installing A VSS Sensor)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle forged steel crankshaft & H-beam rods, Wiseco forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA H/R camshaft, TFS R-Series FTI Comp Ported intake, BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2.5" exhaust, SS off-road X-pipe, SS shorty headers, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, LenTech Strip Terminator wide-ratio Ford AOD, 10" 3000 RPM C6 billet converter, B&M Hammer shifter, Stifflers transmission crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 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 M/T Street Comp tires.

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    • #3
      We're just trying to get a signal from the sensor to the ECU, and have the Digital Dash pick it up. What we've tried so far, is shielded wire from the VR 2-wire 40 tooth pickup to J2A-21 & J2A-22 ground then added the Transmission ICF, and enabled the speedometer with no luck. When we do that, it adds an Speedo Output, which we can't pin it to the Digital Dash. This is the first EFI system we have done, still learning. Thank you, Dustin.

      Comment

      • #4
        Originally posted by Dustin B View Post
        We're just trying to get a signal from the sensor to the ECU, and have the Digital Dash pick it up.
        If you're not operating an electronic speedometer, then this doesn't involve the Transmission ICF.
        Read the 2nd LINK from post #2. My VSS sensor displays MPH on my Digital Dash no problem.

        My Auto Meter VSS works perfect for the ECU, Data Monitor, Datalogger, Gauge Panel, Digital Dash & I/O. Program it correctly, and ensure you've selected the correct data channel ("Value To Monitor") for the Digital Dash gauge. Scroll down toward the end of the list for your custom I/O. Example: Don't select "Speed" (which is from the Transmission ICF), if your VSS is from the custom Inputs/Outputs ICF.
        http://documents.holley.com/199r10746rev1.pdf (Holley 553-106 Digital Dash Instructions - Step 3, Page 11)
        May God's grace bless you in the Lord Jesus Christ.
        '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle forged steel crankshaft & H-beam rods, Wiseco forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA H/R camshaft, TFS R-Series FTI Comp Ported intake, BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2.5" exhaust, SS off-road X-pipe, SS shorty headers, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, LenTech Strip Terminator wide-ratio Ford AOD, 10" 3000 RPM C6 billet converter, B&M Hammer shifter, Stifflers transmission crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 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 M/T Street Comp tires.

        Comment

        • #5
          Hi Danny. We've gone back and read the link, looks like it's about a digital sensor. I don't know if we're not seeing the answer? Were using a (S) magnetic sensor with AC volts. Can we even use this type of sensor with this system? Thanks, Dustin

          Comment

          • #6
            Originally posted by Dustin B View Post
            We've gone back and read the link, looks like it's about a digital sensor. I don't know if we're not seeing the answer?
            It doesn't matter which speed sensor type you're using. That LINK explains how to setup a VSS.

            Were using a (S) magnetic sensor with AC volts. Can we even use this type of sensor with this system?
            Yes, the Dominator ECU is compatible with either type of sensor.

            In Inputs (Inputs/Outputs ICF), set the Type to "IPU Speed/Freq". Configure the Input for "Miles/Hour",
            Minimum Signal Voltage" - 0.10V or lower, PPROT (pulses per rotation of reluctor), Gear Ratio & Tire Diameter.
            You'll leave the "Gear Ratio" at 1.00 if the VSS sensor is installed after any gearing or at the wheel (I.E. ABS sensor).
            http://forums.holley.com/showthread....8389#post58389 (How To Create A Custom Input/Output)

            Just the one signal wire (IPU Speed/Freq) is routed to the I/O Auxiliary Harness.
            Dominator Auxiliary Harnesses: https://www.holley.com/products/fuel...efi/harnesses/

            To connect up to 4 Inputs & Outputs to the EFI Main Harness, use I/O Auxiliary Harness 558-400.
            Eight Wire I/O Auxiliary Harness Connector Pin-Out (also in the Holley EFI Wiring Manual - LINK):
            Pin A...A12...White/Blue (Input #1) F,5,2,T,H,G
            Pin B...A3....White/Red (Input #2) F,5,2,T,H,G
            Pin C...A13...White/Black (Input #3) F,5,G
            Pin D...A4....White/Green (Input #4) F,5,G
            Pin E...B12...Gray/Yellow (Output #1) H,P+
            Pin F...B11...Gray/Red (Output #2) H,P+
            Pin G...B10...Gray/Black (Output #3) G,P−
            Pin H...B3....Gray/Green (Output #4) G,P−
            http://documents.holley.com/199r10516.pdf (Holley 558-400 I/O Auxiliary Harness Instructions)
            May God's grace bless you in the Lord Jesus Christ.
            '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle forged steel crankshaft & H-beam rods, Wiseco forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA H/R camshaft, TFS R-Series FTI Comp Ported intake, BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2.5" exhaust, SS off-road X-pipe, SS shorty headers, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, LenTech Strip Terminator wide-ratio Ford AOD, 10" 3000 RPM C6 billet converter, B&M Hammer shifter, Stifflers transmission crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 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 M/T Street Comp tires.

            Comment

            • #7
              OK thanks Danny. After reading the link, we got it to work on Monday. Had to go into the gauge in the ECU and set it up, then set the display in the Digital Dash to select the speed input and works now. Thank you, Dustin.

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