Holley terminator x main fuse ) it makes wiring simple, because Holley uses Metri-pack connectors for many of the plugs. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. These engines are commonly found in 2006+ Year Model vehicles with LS variants such as the: LS2,LS3,LS7,L76,L92, and L98. Is the battery mounted in the very back of your truck bed or land yacht? Save the pain of extending such a critical power harness with butt splices. (2) 3/8" ring terminals and shrink tube (not pictured) . 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Dec 5, 2023 · The main harness is designed for the ECU to be mounted under the passenger’s seat using the following application specific brackets: 554-156 – DOMINATOR ECU MOUNT (79-98 MUSTANG) 554-157 – HP, TERMINATOR X, AND TERMINATOR X-MAX ECU MOUNT (79-04 MUSTANG) May 20, 2021 · Hello All. Fused main battery power harness for Holley HP, Dominator and Terminator X ECU's. This engine has a 24x crank, and 1x cam sensor in the back of the engine. NOTICE: I'm on vacation from Saturday July 20, until Tuesday July 30. This connector is primarily an This Harness is required with HP or Dominator ECUs. The harness is fuse protected and covered in braided split loom for additional abrasion protection . Bolt the bracket and ECU into the car. '92 Ford Mustang GT: 385"/6. part number ecu main engine harness ignition harness injector harness transmission harness drive-by-wire harness notes 550-903 terminator x (554-152) gm ls 24x crank/1x cam (558-102) ev1 v8 (558-200) note 1 Jul 16, 2021 · '92 Ford Mustang GT: 385"/6. Would not fire to save my life. Terminator X and X Max systems require a Bosch 4. When you have a Terminator X/X Max EFI problem, it's time to buy an inexpensive used Windows laptop (to download Terminator X EFI software, retrieve the GCF from ECU, engine tuning & datalogging). part number ecu main engine harness ignition harness injector harness transmission harness drive-by-wire harness notes 550-903 terminator x (554-152) gm ls 24x crank/1x cam (558-102) ev1 v8 (558-200) note 1 This harness has been designed to interface with 58x crank and 4x cam sensors. of fuel at the Terminator X system requirement of 60 PSI. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm Jan 1, 2016 · Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. The pump should be capable of supplying a minimum of 255 liters/hour or 400 lb. By harmonizing components and circuits, enthusiasts can orchestrate a ballet of efficiency, where every connection serves as a conduit for enhanced power delivery and SKU: VIH-S10 Categories: Custom Direct-Fit Harnesses, Holley Terminator X Accessories, S-10 / BLAZER 2WD SWAP PARTS, Vehicle Integration Wiring Tags: blazer, bravada, chevy truck, engine swap, s-10, s10, sonoma, swap, Wiring Harness HP EFI Tuning & Tech. LQ9 with 4L65E. I'm struggling with my limited knowledge of wiring and lack of direction in the included instructions. Changed crank settings to ignore cam position sensor and still no start. Pay attention when on the Holley EFI Technical Library webpage . P/N (Park/Neutral) Selection switch on driver’s side of 4 speed transmissions is either a 1 connector style or 2 connector style. Dan ---- Aug 13, 2013 · Relay is not connected to the red/white 12V trigger wire. of fuel at 43 psi or optional 60 psi. Any other suggestions as to where to look or tricks to start? Holley Terminator X MAX running latest firmware. Here are some tips from Holley's EFI program engineer Doug Flynn on how to get the proper ground and voltage connections for your EFI system. 8V, the system should be happy. My questions: ¡ŠgOŸZ˜Ñé ê þ DJ{É –Ž¥ €Ù‰‰¸@=yü¸š— ÿ¾ªÒÁxÏ>Ê1e ËÉ“x D— |£q ÃZ!H(غžðòUüZÞè‰ þÆÿK =x$ü›ÈQ§‰yõä øµ‚£'Z!ÞÈ nôÀ 2mÑ {Såæé×ÈB @ ˆ¶€Åby{xšSižnîß¿ ×wqÔ¢Ã)(Ð¥}£¢@£Z™3²ß½Sç’êøÙ* Œ›5Ú@'ÎÌ"^£X²½ î•D Ô $&Ø™t¢‡ ¥g¹z7Õ*,kg Apr 21, 2024 · This is a Terminator X Max with a 58x harness. See full list on documents. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm Unlocking the full potential of your Holley Terminator X necessitates more than just mechanical proficiency; it demands an artful integration of synergistic wiring strategies. The pump should be capable of supplying 255 liters/hour or 400 lb. A30 – Crank Input Signal There is a fuse holder attached 7. 1 Fuel Pump, Fuel Line, and Filter Installation A complete high pressure EFI fuel system must be installed for the TERMINATOR X™. May God's grace bless you in the Lord Jesus Christ. 6. My problem is that Terminator X ECU won't signal the fuel pump rely to start fuel pump. A34 – WB1 HTR+ (Pin A) A9 – WB1 HTR - (Pin B) A16 – WB1 COMPR1 (Pin C) Jun 19, 2022 · Yes. 9 (PN 554-155) wide band oxygen sensor and require the adapter harness included with the Terminator X be used. 3L swap via the Holley Terminator X part number 550-904. 7. . I did the repin on the cam sensor that Holley says to do and made sure the crank was set to 24x. Thus, Holley can not guarantee an answer or timing on an answer. If using an in-line fuel pump, there should Apr 25, 2014 · devices. I have power to the relay, I've checked continuity from relay to ECU plug A2, checked I have power at A10 when cranking, all fuses are good, checked all ground connections and continuity checked all grounds on harness all good, also checked all sensor grounds to main This Harness is required with Terminator X, Terminator X Max, HP, or Dominator ECUs. The internals of an ECU contain delicate microprocessors and many other components that rely on clean, sound power and ground. 0 TERMINATOR X MPFI SYSTEM INSTALLATION 7. Plug in the two main harnesses to the ECU Plug the main power harness into the ECU but do not connect to power. Keeping in mind that I’m brand new to this… 1. 2 block, Eagle 3. Must have rectangular “bolt-in” style fuse box connector for engine harness, not hardwired under hood fuse box. This is the area in the car that I know the least about. Address the voltage drop issue, and hook the red/white wire up to the fuse panel so that it has power in the crank and run position. Built in-house by Jolt Systems in custom lengths. If using an in-line fuel pump, there should Feb 9, 2022 · Hi all (from overseas in Scotland). Holley EFI systems work with 24X and 58X LS crank sensors. 3L SBF, Dart SHP 8. fuse green battery 5 4 2 (86) (30) (85) al 8 al 6 all a 33 a25 c input g ground tx wbi compri wbi vs-/ip sensor ground coolant temp pressure knock in 5) out in a 30 ground sw+/aio cam input (dig map sensor signal can l o wbi vs+ sensor +5 v bypass out est/ spout out knock i input out ri b 19 b 13 bi all a 26 al 8 b 12 bio 8 iac iac 20gc black b c May 6, 2014 · When installing a Holley or any EFI system to your vehicle, it's imperative to have a proper ground and voltage for the system. I have a 1968 Wagoneer, LS Gen 3 5. There is a 7-cavity hybrid connector that uses a mix of Metri-pack 150 and Metri-pack 480 terminals. I'll have limited time on the Holley Forum during this time frame. Put a fuse on the main power line at the battery. The lower hole uses an existing bolt hole, drill the upper hole 1/8” and use the supplied self tapping screw Reinstall the relay and fuse in sensors must be purchased from Holley as they are calibrated specifically for use with Holley EFI systems. Bolt the Terminator ECU to the bracket as shown. Does the main harness (with fuse box) connect into the Terminator x harness? It feels like it should but I really don’t know. 0 TERMINATOR X TBI SYSTEM INSTALLATION 6. 470" forged steel crankshaft & H-beam rods, Wiseco 4. Or at the other extreme, is your batter Oct 6, 2024 · I would leave the main power and ground going to the battery and use the disconnect on the ECU ignition power, and also put the power for the injectors & coils on the disconnect. com part number ecu main engine harness ignition harness injector harness transmission harness drive-by-wire harness notes 550-903 terminator x (554-152) gm ls 24x crank/1x cam (558-102) ev1 v8 (558-200) note 1 Mar 14, 2025 · I have a Holley terminator X along with the Ron Francis wiring harness. RPM is showing as 100-170 during crank. A large red banner separates Holley's different EFI systems by name. I believe I have a short somewhere in the harness, but don't really have any clues to proceed with. That way all power to the engine bay will be cut in the event of a fuel leak. For instance, on the Sniper system, there are two main connectors. Wouldn’t even fire with starter fluid. holley. Thanks in advance. As long as it keeps 10. I'm using a stock '97 Blazer S10 two door fuel tank/intake pump for the same year Blazer. Main Harness 558-102: Kits 558-500 . Holley offers a USB cable with a sealed connector, PN 558-409 for applications were the USB cable will be plugged in, and the ECU is mounted in a dirty environment. HP ECU – The HP ECU has two main connectors: J1A - The first connector next to the USB connector is the “J1A” connector (34 pin). Feb 8, 2022 · '92 Ford Mustang GT: 385"/6. Anything less will strain the digital components inside the ecu. Includes, 13' long, 10 AWG main power harness, Qty. Apr 3, 2020 · When doing any Holley EFI system (Sniper, Terminator X, Dominator, etc. /hr. gqc ckrh azwr ggsfssyeb keqe qwngn dpvpvg iauerd vura uwa eodd gnnrq hlya nnbzms srnaflm