Holley Terminator X Max MPFI Controller Kit User Guide

Terminator X Max MPFI Controller Kit

Product Information

Specifications:

  • Product Name: Terminator X and X Max
  • Part Number: 550-903
  • ECU Model: Terminator X (554-152)
  • Main Engine Harness: GM LS 24X Crank/1X Cam
    (558-102)

Product Usage Instructions

Installation of ECU and Harnesses:

  1. Identify the appropriate part number for your vehicle’s engine
    type.
  2. Connect the ECU Terminator X to the main engine harness
    following the provided guide.
  3. Install the ignition harness and injector harness based on your
    engine’s specifications.
  4. Connect the transmission harness and drive-by-wire harness as
    needed.

Programming the ECU:

  1. Power on the ECU by following the manufacturer’s
    instructions.
  2. Use the provided software to program the ECU with your
    vehicle’s specific parameters.
  3. Ensure all connections are secure before starting the
    engine.

Troubleshooting and Maintenance:

  • If you encounter any issues, refer to the troubleshooting
    section of the user manual.
  • Regularly check and maintain all connections to ensure optimal
    performance.

FAQ

Q: How do I know which harness to use for my vehicle?

A: Refer to the part number guide in the user manual to match
your vehicle’s engine type with the appropriate harness.

Q: Can I install the Terminator X Max on a different engine
model?

A: It is recommended to use the Terminator X Max with GM LS
engines as specified in the product manual for optimal
performance.

TERMINATOR X AND X MAX PARTS GUIDE

PART NUMBER
550-903

ECU Terminator X (554-152)

MAIN ENGINE HARNESS GM LS 24X Crank/1X Cam (558-102)

550-904

Terminator X (554-152)

GM LS 24X Crank/1X Cam (558-102)

550-905

Terminator X (554-152)

GM LS 58X Crank/4X Cam (558-103)

550-909

Terminator X (554-152)

GM LS 24X Crank/1X Cam (558-102)

550-910

Terminator X (554-152)

GM LS 58X Crank/4X Cam (558-103)

550-916

Terminator X Max (554-153)

GM LS 24X Crank/1X Cam (558-102)

550-917

Terminator X Max (554-153)

GM LS 24X Crank/1X Cam (558-102)

550-918

Terminator X Max (554-153)

GM LS 58X Crank/4X Cam (558-103)

550-919

Terminator X Max (554-153)

GM LS 24X Crank/1X Cam (558-102)

550-920

Terminator X Max (554-153)

GM LS 58X Crank/4X Cam (558-103)

550-926

Terminator X Max (554-153)

GM LS 24X Crank/1X Cam (558-102)

550-927

Terminator X Max (554-153)

GM LS 24X Crank/1X Cam (558-102)

550-928

Terminator X Max (554-153)

GM LS 58X Crank/4X Cam (558-103)

550-929

Terminator X Max (554-153)

GM LS 24X Crank/1X Cam (558-102)

550-930

Terminator X Max (554-153)

GM LS 24X Crank/1X Cam (558-102)

550-931

Terminator X Max (554-153)

GM LS 58X Crank/4X Cam (558-103)

550-932

Terminator X Max (554-153)

GM LS 24X Crank/1X Cam (558-102)

550-933

Terminator X Max (554-153)

GM LS 58X Crank/4X Cam (558-103)

IGNITION HARNESS

INJECTOR HARNESS EV1 V8 (558-200)
Multec 2 V8 (558-214) EV6 V8 (558-201) EV6 V8 (558-201) EV1 V8 (558-200) EV1 V8 (558-200)
Multec 2 V8 (558-214) EV6 V8 (558-201) EV6 V8 (558-201) EV1 V8 (558-200) EV1 V8 (558-200)
Multec 2 V8 (558-214) EV6 V8 (558-201) EV1 V8 (558-200)
Multec 2 V8 (558-214) EV6 V8 (558-201) EV6 V8 (558-201) EV1 V8 (558-200)

TRANSMISSION HARNESS

DRIVE-BY-WIRE HARNESS

4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405)

GM LS (558-406) GM LS Early Truck (558-429)
GM LS (558-406) GM LS (558-406) GM LS Early Truck (558-429) GM LS (558-406) GM LS (558-406) GM LS (558-406)

NOTES Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1

PART NUMBER
550-934

ECU Terminator X Max (554-153)

MAIN ENGINE HARNESS GM LS 24X Crank/1X Cam (558-102)

550-935

Terminator X Max (554-153)

GM LS 58X Crank/4X Cam (558-103)

550-936

Terminator X (554-152)

MPFI Universal (558-104)

550-937

Terminator X (554-152)

MPFI Universal (558-104)

550-937F

Terminator X (554-152)

79-93 Mustang 5.0L MPFI (558-128)

550-942

Terminator X Max (554-153)

MPFI Universal (558-104)

550-943

Terminator X Max (554-153)

MPFI Universal (558-104)

550-943F Terminator X Max (554-153)

79-93 Mustang 5.0L MPFI (558-128)

550-944

Terminator X Max (554-153)

MPFI Universal (558-104)

550-945

Terminator X Max (554-153)

MPFI Universal (558-104)

550-950

Terminator X Max (554-153)

MPFI Universal (558-104)

550-959

Terminator X Max (554-153)

MPFI Universal (558-104)

550-1001

Terminator X (554-152)

Terminator TBI (558-414)

550-1002

Terminator X (554-152)

Terminator TBI (558-414)

550-1003

Terminator X (554-152)

Terminator TBI (558-414)

550-1004

Terminator X (554-152)

Terminator Stealth 2×4 TBI (558-121)

550-1005

Terminator X (554-152)

Terminator Stealth 2×4 TBI (558-121)

550-1006

Terminator X (554-152)

Terminator Stealth 2×4 TBI (558-121)

TERMINATOR X PARTS GUIDE

IGNITION HARNESS

INJECTOR HARNESS

EV6 V8 (558-201)

EV1 V8 (558-200)

Tach Input (558-302)

EV1 V8 (558-200)

Tach Input (558-302)

EV1 Ford V8 (558-209)

Ford TFI (558-305)

EV1 Ford V8 (558-209)

Tach Input (558-302)

EV1 V8 (558-200)

Tach Input (558-302)

EV1 Ford V8 (558-209)

Ford TFI (558-305)

EV1 Ford V8 (558-209)

Tach Input (558-302)

EV1 Ford V8 (558-209)

Tach Input (558-302)

EV1 Ford V8 (558-209)

Tach Input (558-302)

EV1 V8 (558-200)

Tach Input (558-302)

EV1 V8 (558-200)

Tach Input (558-302)

Tach Input (558-302)

Tach Input (558-302)

Tach Input (558-302)

Tach Input (558-302)

Tach Input (558-302)

TRANSMISSION HARNESS 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405)

DRIVE-BY-WIRE HARNESS GM LS (558-406) GM LS (558-406)

NOTES Note 1 Note 1

4L60E (Pre 2009)/4L80E (558-405) AODE/4R70W (92-97) (558-471) AODE/4R70W (92-97) (558-471) AODE/4R70W (98+) (558-470)
4L60E (Pre 2009)/4L80E (558-405)
4L60E (Pre 2009)/4L80E (558-405)

GM LS (558-406) GM LS (558-406)

Note 2
Note 2
Note 7 Note 7 Note 7 Note 7 Note 7 Note 7

PART NUMBER
550-1011

ECU Terminator X Max (554-153)

MAIN ENGINE HARNESS Terminator TBI (558-414)

TERMINATOR X PARTS GUIDE

IGNITION HARNESS

INJECTOR HARNESS

Tach Input (558-302)

550-1012 Terminator X Max (554-153)

Terminator TBI (558-414)

Tach Input (558-302)

550-1013 Terminator X Max (554-153)

Terminator TBI (558-414)

Tach Input (558-302)

550-1014 Terminator X Max (554-153) Terminator Stealth 2×4 TBI (558-121)

Tach Input (558-302)

550-1015 Terminator X Max (554-153) Terminator Stealth 2×4 TBI (558-121)

Tach Input (558-302)

550-1016 Terminator X Max (554-153)

550-1210

Terminator X (554-152)

550-1211

Terminator X (554-152)

550-1212

Terminator X (554-152)

550-1213

Terminator X (554-152)

550-1214

Terminator X (554-152)

550-1215

Terminator X (554-152)

550-1216

Terminator X (554-152)

550-1217

Terminator X (554-152)

550-1218

Terminator X (554-152)

550-1219

Terminator X (554-152)

550-1220

Terminator X (554-152)

Terminator Stealth 2×4 TBI (558-121)

Tach Input (558-302)

Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110)
Ford Modular (558-108) Ford Modular (558-108) Ford Modular (558-108) Ford Modular (558-108)

11-15 Ford Coyote Coil Harness (558-317)
11-15 Ford Coyote Coil Harness (558-317)
11-15 Ford Coyote Coil Harness (558-317)
11-15 Ford Coyote Coil Harness (558-317)
15.5-17 Ford Coyote Coil Harness (558-322)
15.5-17 Ford Coyote Coil Harness (558-322)
Ford Modular 2V Coil Harness (558-314)
Ford Modular 2V Coil Harness (558-314)
Ford Modular 4V Coil Harness (558-315)
Ford Modular 4V Coil Harness (558-315)

Ford Modular, Smart Coils (558-113)

EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209)

550-1221

Terminator X (554-152)

Ford Modular, Smart Coils (558-113)

EV6 Ford V8 (558-212)

TRANSMISSION HARNESS 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405)

DRIVE-BY-WIRE HARNESS

NOTES Note 7 Note 7 Note 7 Note 7 Note 7 Note 7 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Note 5 Note 5 Note 5 Note 5 Note 4 Note 4

PART NUMBER
550-1222

ECU Terminator X (554-152)

550-1223

Terminator X (554-152)

550-1224

Terminator X (554-152)

550-1225

Terminator X (554-152)

550-1310 Terminator X Max (554-153)

550-1311 Terminator X Max (554-153)

550-1312 Terminator X Max (554-153)

550-1313 Terminator X Max (554-153)

550-1314 Terminator X Max (554-153)

550-1315 Terminator X Max (554-153)

550-1316 Terminator X Max (554-153)

550-1317 Terminator X Max (554-153)

550-1318 Terminator X Max (554-153)

550-1319 Terminator X Max (554-153)

550-1408 Terminator X Max (554-153)

550-1409 Terminator X Max (554-153)

550-1410 Terminator X Max (554-153)

550-1411 Terminator X Max (554-153)

TERMINATOR X PARTS GUIDE

MAIN ENGINE HARNESS Chrysler Gen 3 Hemi, Early (558-115) Chrysler Gen 3 Hemi, Early (558-115) Chrysler Gen 3 Hemi, Late (558-116) Chrysler Gen 3 Hemi, Late (558-116)
Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110)
Ford Modular (558-108) Ford Modular (558-108) Ford Modular (558-108) Ford Modular (558-108) Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110) Ford Coyote TI-VCT (558-110)

IGNITION HARNESS
Early Hemi Coil Harness (558-310)
Early Hemi Coil Harness (558-310)
Late Hemi Coil Harness (558-311)
Late Hemi Coil Harness (558-311)
11-15 Ford Coyote Coil Harness (558-317)
11-15 Ford Coyote Coil Harness (558-317)
11-15 Ford Coyote Coil Harness (558-317)
11-15 Ford Coyote Coil Harness (558-317)
15.5-17 Ford Coyote Coil Harness (558-322)
15.5-17 Ford Coyote Coil Harness (558-322)
Ford Modular 2V Coil Harness (558-314)
Ford Modular 2V Coil Harness (558-314)
Ford Modular 4V Coil Harness (558-315)
Ford Modular 4V Coil Harness (558-315)
11-15 Ford Coyote Coil Harness (558-317)
11-15 Ford Coyote Coil Harness (558-317)
11-15 Ford Coyote Coil Harness (558-317)
11-15 Ford Coyote Coil Harness (558-317)

INJECTOR HARNESS EV1 Hemi V8 (558-211) EV6 Hemi V8 (558-210) EV1 Hemi V8 (558-211) EV6 Hemi V8 (558-210) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212)

TRANSMISSION HARNESS
AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470)

DRIVE-BY-WIRE HARNESS
Ford Coyote (558-422) Ford Coyote (558-422) Ford Coyote (558-422) Ford Coyote (558-422)

NOTES Note 5 Note 5 Note 5 Note 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Note 5 Note 5 Note 5 Note 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5

PART NUMBER 550-1412 550-1413 550-1420 550-1421 550-1422 550-1423 550-1424 550-1425 550-1507 550-1508 550-1509 550-1510 550-1511 550-1512 550-1600 550-1601 550-1610 550-1611

TERMINATOR X PARTS GUIDE

ECU

MAIN ENGINE HARNESS

IGNITION HARNESS

Terminator X Max (554-153)

Ford Coyote TI-VCT (558-110)

15.5-17 Ford Coyote Coil Harness (558-322)

Terminator X Max (554-153)

Ford Coyote TI-VCT (558-110)

15.5-17 Ford Coyote Coil Harness (558-322)

Terminator X Max (554-153) Chrysler Gen 3 Hemi, Early (558-115)

Early Hemi Coil Harness (558-310)

Terminator X Max (554-153) Chrysler Gen 3 Hemi, Early (558-115)

Early Hemi Coil Harness (558-310)

Terminator X Max (554-153)

Chrysler Gen 3 Hemi, Late (558-116)

Late Hemi Coil Harness (558-311)

Terminator X Max (554-153)

Chrysler Gen 3 Hemi, Late (558-116)

Late Hemi Coil Harness (558-311)

Terminator X Max (554-153)

Chrysler Gen 3 Hemi, Late (558-116)

Late Hemi Coil Harness (558-311)

Terminator X Max (554-153)

Chrysler Gen 3 Hemi, Late (558-116)

Late Hemi Coil Harness (558-311)

Terminator X Max (554-153)

Ford Coyote TI-VCT (558-110)

11-15 Ford Coyote Coil Harness (558-317)

Terminator X Max (554-153)

Ford Coyote TI-VCT (558-110)

11-15 Ford Coyote Coil Harness (558-317)

Terminator X Max (554-153)

Ford Coyote TI-VCT (558-110)

11-15 Ford Coyote Coil Harness (558-317)

Terminator X Max (554-153)

Ford Coyote TI-VCT (558-110)

11-15 Ford Coyote Coil Harness (558-317)

Terminator X Max (554-153)

Ford Coyote TI-VCT (558-110)

15.5-17 Ford Coyote Coil Harness (558-322)

Terminator X Max (554-153)

Ford Coyote TI-VCT (558-110)

15.5-17 Ford Coyote Coil Harness (558-322)

Terminator X (554-152)

GM LT1 Main w/ Early GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

Terminator X (554-152)

GM LT1 Main w/ Late GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

Terminator X Max (554-153)

GM LT1 Main w/ Early GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

Terminator X Max (554-153)

GM LT1 Main w/ Late GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

INJECTOR HARNESS EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Hemi V8 (558-211) EV6 Hemi V8 (558-210) EV1 Hemi V8 (558-211) EV6 Hemi V8 (558-210) EV1 Hemi V8 (558-211) EV6 Hemi V8 (558-210) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212) EV1 Ford V8 (558-209) EV6 Ford V8 (558-212)

TRANSMISSION HARNESS
AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470) AODE/4R70W (98+) (558-470)
4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405)

DRIVE-BY-WIRE HARNESS Ford Coyote (558-422) Ford Coyote (558-422) 03-06 Hemi (558-417) 03-06 Hemi (558-417) 07-12 Hemi (558-418) 07-12 Hemi (558-418) 2013+ Hemi (558-437) 2013+ Hemi (558-437) Ford Coyote (558-422) Ford Coyote (558-422) Ford Coyote (558-422) Ford Coyote (558-422) Ford Coyote (558-422) Ford Coyote (558-422)

NOTES Notes 3 & 5 Notes 3 & 5
Note 5 Note 5 Note 5 Note 5 Note 5 Note 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Notes 3 & 5 Note 6 Note 6 Note 6 Note 6

PART NUMBER
550-1620

ECU Terminator X Max (554-153)

550-1620LSD Terminator X Max (554-153)

550-1621 Terminator X Max (554-153)

550-1621LSD Terminator X Max (554-153)

550-1630 Terminator X Max (554-153)

550-1630LSD Terminator X Max (554-153)

550-1631 Terminator X Max (554-153)

550-1631LSD Terminator X Max (554-153)

TERMINATOR X PARTS GUIDE

MAIN ENGINE HARNESS

IGNITION HARNESS

GM LT1 Main w/ Early GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

GM LT1 Main w/ Early GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

GM LT1 Main w/ Late GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

GM LT1 Main w/ Late GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

GM LT1 Main w/ Early GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

GM LT1 Main w/ Early GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

GM LT1 Main w/ Late GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

GM LT1 Main w/ Late GDI Sub Harness

LS/LT Coil Sub Harnesses (558321)

INJECTOR HARNESS

TRANSMISSION HARNESS
4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405) 4L60E (Pre 2009)/4L80E (558-405)

DRIVE-BY-WIRE HARNESS GM LT SENT
GM LS (558-406) GM LT SENT
GM LS (558-406) GM LT SENT
GM LS (558-406) GM LT SENT
GM LS (558-406)

NOTES Notes 6 & 8
Note 6 Notes 6 & 8
Note 6 Notes 6 & 8
Note 6 Notes 6 & 8
Note 6

Kits also include the following: 3.5″ Terminator X Handheld Controller (553-201), Main Power Harness (558-308*), Oxygen Sensor (554-155), Oxygen Sensor Adapter Harness (558-463), Input/Output Harness (558-462**), Quick Turn MAP Sensor Adapters (543-121), Oxygen Sensor Weld Ring (534-49). Note 1: These kits are also available with a USB-CAN Dongle (558-443) for PC tuning rather than the 3.5″ Handheld Controller (553-201). For these kits, add a “T” to the end of the part number. Note 2: These kits also include a Coolant Temperature Sensor (543-120), Manifold Air Temperature Sensor (534-20), and 79-04 Mustang ECU Mounting Bracket (554-157). Note 3: These kits also include 554-145 Ti-VCT (Twin Independent Variable Camshaft timing) Control Module. Note 4: These kits DO NOT include a 3.5″ Touch Screen LCD. A USB dongle is provided for Initial Laptop Setup. Note 5: These kits also include 554-122 Eight Channel Coil Driver Kit. Note 6: These kits also include GDI Controller Assembly and Manifold Air Temperature Sensor (534-20). Note 7: TBI kits include throttle body w/ harness, Coolant Temperature Sensor (543-120), and additional hardware. Note 8: SENT (Single Edge Nibble Transmission) is a protocol used in modern vehicles. The drive-by-wire harness includes a module to interpret the signal. *Except for Coyote kits which include part number 558-319 Main Power Harness **Some TBI kits include 271R1043A and 558-420 for Input/Output harnesses
199R11967

Documents / Resources

Holley Terminator X Max MPFI Controller Kit [pdf] User Guide
550-918T, 550-903, 550-904, 550-905, 550-909, 550-910, 550-916, 550-917, 550-918, 550-919, 550-920, 550-926, 550-927, 550-928, 550-929, 550-930, 550-931, 550-932, 550-933, Terminator X Max MPFI Controller Kit, X Max MPFI Controller Kit, Max MPFI Controller Kit, MPFI Controller Kit, Controller Kit, Kit

References

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