Hello, I purchased a Holley Terminator EFI Stealth with transmission control and the 558-400 auxiliary harness. The auxiliary harness is so that I can connect up my Hall-Effect VSS sensor as an input, and also two outputs for my cooling fans. The fans utilize a control module per fan, and use a PWM (-) for input. My installer just called me and said that the 558-400 won't plug in anywhere on the ECU or main harness. Is that correct? Did I buy the wrong harness? The product page for the harness says "Connector J1A/B Inputs/Outputs Auxiliary Harness for HP EFI & Dominator EFI". Please advise and thank you.
558-400 Harness & Dominator ECU
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Originally posted by skizot722 View PostMy installer just called me and said that the 558-400 won't plug in anywhere on the ECU or main harness. Is that correct? Did I buy the wrong harness?
https://documents.holley.com/199r10704.pdf (Holley 558-420 Terminator I/O Kit)
It's the Terminator EFI & HP/Dominator EFI Main Harnesses that are different (LINK).
https://documents.holley.com/199r11137.pdf (See Figure 11, Page 10 & Figure 118, 119, Page 47)
You have the Dominator ECU, so you already have I/O on the J2A, J2B, J3 & J4 ECU connectors:
http://documents.holley.com/techlibr...10555rev17.pdf (Holley EFI Wiring Manual - Section 2.1 "Pin-Outs", Pages 6, 7 & 8)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 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" 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, Trick Flow 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, OEM smog pump converted vacuum pump, 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, highly modified Ford 4R70W transmission, FTI 9.5"/3000 stall/triple disc TCC, B&M Hammer shifter, Stifflers trans crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 3.73 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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https://documents.holley.com/199r10704.pdf (Holley 558-420 Terminator I/O Kit)
It doesn't contain a PWM (-) output, only a single PWM (+) output, and 4 inputs.
http://documents.holley.com/techlibr...9r10545rev.pdf (Holley EFI Pin Map 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 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" 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, Trick Flow 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, OEM smog pump converted vacuum pump, 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, highly modified Ford 4R70W transmission, FTI 9.5"/3000 stall/triple disc TCC, B&M Hammer shifter, Stifflers trans crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 3.73 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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Had some time to look at the manuals. Sounds like I can actually use B3 & B10 wires for my PWM (-) outputs. These go to B & C on the 3-pin I/O connector on the main J1B harness. So no additional wires needed there. And for my Hall-Effect VSS input, I can use a wire from the 558-420 and plug it into the J1A connector, pin A3. Is that accurate?
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Originally posted by skizot722 View PostIs that accurate?
http://forums.holley.com/showthread....3598#post53598 (Wiring Additional Sensors - Holley HP & Dominator ECUs)
Originally Posted by Holley EFI Wiring Manual & Diagrams
9.0 Programmable Inputs & Outputs
Programmable input and outputs are intended to be any input or output that is created by the user when a Global Folder is configured. Once configured, they must be assigned a to a specific pin location on the Pin Map, and then physically wired per the assigned location.
NOTE 1: As a standard wiring practice, DO NOT wire any input or output to a source that draws more than 2 amps. This is especially true when connecting to something with a “coil”, such as any type of solenoid. If the device exceeds 2 amps, you should connect the input or output to the trigger side of the relay used to power the device, not directly to the device. Note that this 2 amp limit pertains to inputs as well (not just outputs). When depowered, some solenoids create a large fly-back voltage that is fed directly back into an input trigger of the ECU, if that input is directly connected to the solenoid.
9.1 Inputs
There are seven types of inputs that can be configured. The following lists them and reviews wiring recommendations. The designation on the Pin Map (Inputs) is given first, then a description.
1. “H” – Switched 12V or “High Side” input – This input will be triggered when system voltage is applied. Minimum triggering voltage is 4.5V. Do not exceed 24V.
Wiring: Connect up to any voltage source that is desired to trigger this input. See NOTE 1 above.
2. “G” – Switched Ground or “Low Side” input – This input will be triggered when a ground is applied.
Wiring: Connect up to any ground source that is desired to trigger this input. See NOTE 1 above.
3. “5” – 0-5 volt sensor input – Any 0-5 volt sensor input such as a TPS, MAP sensor, pressure transducer, and many others.
Wiring: Wire the signal wire from the 0-5V sensor used into the appropriate pin. Any 0-5V sensor requires a +5V reference voltage and a sensor ground. Each HEFI connector that has 0-5V inputs has its own +5V reference voltage output and sensor ground. These need to be properly wired to each 0-5V sensor used.
It is acceptable to have multiple sensors share the same +5V and ground reference lines. Be sure to solder, heat shrink, etc. wires properly as poor connections will cause for inaccurate or faulty sensor readings.
Do not use +5V reference or ground sources from other controllers or power supplies to support the sensor, or sensor accuracy may be compromised.
4. “2” – 0-20 volt sensor input – Any 0-20 volt sensor input
Wiring: Connect to desired voltage input.
5. “T” – Thermistor temperature input – Most coolant and air temperature sensors are a 2 wire “thermistor” design.
Wiring: Connect to one side of the thermistor device. Connect the other side of the thermistor device to a “Sensor Ground” input pin to the ECU (same pins for a 0-5V sensor).
6. “F” – Frequency or a Digital Speed Input – Designed for a digital voltage input from a speed/rotation sensor. A Hall-Effect sensor is the common sensor used. Voltage range can be 4.5 to 24 volts.
Wiring: A Hall-Effect sensor has 3 wires: Power, Ground, and Signal. Most sensors can be supplied with battery voltage (12V), a few require a 5 volt reference. Check with the specifications of your specific sensor. Although not usually needed with a Hall-Effect sensor, it is always advised to use a shielded/grounded cable to wire them (all three wires can be shielded). The following is advised when wiring a Hall-Effect sensor.
Signal – Run the sensor signal wire into the Pin Mapped channel
Power – Either supply with clean switched power, or if it is not used for another purpose, you can power from Pin P1B-B20 which is a clean 12V power source. If the sensor requires 5 volts, use a +5V reference line.
Ground – It is best to connect to an IPU (Inductive/Magnetic Pickup) or Sensor Ground.
Shield Wire – If using shielded/grounded cable, connect the shield ground wire to the ECU only. It is best to connect it to an IPU ground.
7. “S” – Inductive Speed Input – Designed for an A/C voltage input from a speed/rotation sensor. A magnetic sensor is the common sensor used. The minimum arming voltage is 50 mV.
Wiring: It is highly advised to always use a shielded/grounded cable for any inductive signal. They are very susceptible to noise. An inductive sensor has two wires - a “positive” and “negative”. Connect the positive lead to the “S” input pin that was Pin Mapped. Connect the negative side to an IPU ground.
9.2 Outputs
All PWM (Pulse Width Modulated) and switched outputs are rated at a maximum of 2A. If a device will draw more than 2A, some type or relay must be used. If the output is PWM, do not use a “switching” relay, but rather a solid state type relay designed to be pulse width modulated.
There are four types of outputs that can be configured. The following lists them and reviews wiring recommendations. The designation on the Pin Map (Outputs) is given first, then a description.
1. “H” – Switched 12V or “High Side” output – will output system voltage level.
Wiring: Connect the pin to the device to be triggered. See NOTE 1 above.
2. “G” – Ground or “Low Side” output – will output a ground trigger.
Wiring: Connect the pin to the device to be triggered. See NOTE 1 above.
3. “P+” - 12V Pulse Width Modulated output – Outputs a high side pulse width modulated output to control items such as a progressive nitrous solenoid or a PWM IAC – will output system voltage level. See NOTE 1 above.
Wiring: Connect the pin to the device to be triggered. A PWM device has 2 wires, connector the other side of the device to ground.
4. “P-” – Ground Pulse Width Modulated output – Outputs a low side pulse width modulated output to control items such as a progressive nitrous solenoid or a PWM IAC. See NOTE 1 above.
Wiring: Connect the pin to the device to be triggered. A PWM device has 2 wires, connector the other side of the device to a voltage source.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 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" 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, Trick Flow 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, OEM smog pump converted vacuum pump, 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, highly modified Ford 4R70W transmission, FTI 9.5"/3000 stall/triple disc TCC, B&M Hammer shifter, Stifflers trans crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 3.73 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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You're welcome.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 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" 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, Trick Flow 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, OEM smog pump converted vacuum pump, 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, highly modified Ford 4R70W transmission, FTI 9.5"/3000 stall/triple disc TCC, B&M Hammer shifter, Stifflers trans crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 3.73 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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