holley terminator x wiring diagram

holley terminator x wiring diagram

Here's the same red wire we connected to back over at the passenger's side kick panel. Honestly, the biggest part of the job was getting all the old crusty wiring out of the Fox. Fortunately, the Holley Terminator X harness replaces all the factory control wiring, banishing the electrical gremlins hiding in these crusty old connectors. Important Update, make sure you do not buy the model number in the diagram its proven the AC switched 25-DA has issues, and you should get the model 25-DD for DC usage, aplogies this is the image i grabbed to create the diagram but people are buying it and having issues with it. (Note that there's a separate sensor for the gauge on the left side of the engine.). The Terminator X tunes itself while driving. Like the HP and Dominator, Terminator X comes with a controller and simplified wiring … Get FREE shipping when your order includes this item and exceeds $99! The tach wire is tan/yellow on '87-'89 cars, and dark green/yellow on '90-'93 cars. Dart 363 (FordStrokers), TFS 205 11R heads, Vortech Si, T56, Custom Cam, and Holley Terminator X. (This photo is outside of the car for clarity.). Click on the photo to see the wiring diagram. Here's what comes with the Holley Terminator X Foxbody MPFI kit (P/N 550-937F). This PDF gives a highly detailed comparison of the Terminator X and X Max to engines built using the Holley HP and Dominator ECUs. Wiring Diagram. - Verify Wiring - ECU must be powered and grounded directly at the battery and the battery is fully charged. Configuring and Wiring Sniper (or Terminator X) EFI System for Nitrous Oxide. set to simple and try .020 first, then .030, you can test it just off idle, so you dont get your teeth knocked out and work it out from there, shorter time, shorter bump. Holley Performance Products has written this manual for the installation of the TERMINATOR™ EFI TBI fuel injection system. All this made installing the Terminator X extremely straightforward. Next, we removed the passenger seat for two reasons: 1) to give us more working room when accessing the kick panel, and 2) we needed to remove the seat to install the Terminator X and mounting bracket. Terminator X LS Kits Terminator X features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. Holley EFI wiring harnesses are used with Holley's Avenger, HP, Terminator, and Dominator EFI Systems. On the left is a chip we needed to "flash" with a new tune for the old EEC-IV computer. After answering a few questions via the "wizard" on the handheld, our engine was literally up and running in a couple minutes. Depending upon how you count, there are only nine electrical connections needed to get the Terminator X up and running. The following indicates what ECU pin that the specific wires are connected to, and the type of input or output it can be configured as. Important Messages. We connected it to some 1/4" vacuum hose routed to the engine compartment. Both the Terminator X and Terminator X Max systems can do all sorts of cool stuff, including running electric fans, boost control, nitrous injection, and log data. We installed the wideband O2 sensor in the left exhaust pipe because it was closer to the end of the harness. Also included is a new coolant temp sensor for the Terminator X. We used the factory red/green wire from connector C110 and routed it to the kick panel where we made the switched 12V connection to the Terminator X harness. Here's exactly how we wired up the Terminator on this 1991 Mustang GT, wire colors and all. Luckily today, we have better options. The other end of the hose went to the vacuum tree in the back of the manifold. Because the Terminator X incorporates Holley's killer wideband O2-based self-learning strategy, the system tunes itself while you drive. Holley just rolled out a perfect solution for 1987-1993 Mustangs: The Terminator X Fox Body MPFI kit. They connect the main harness to the injectors, routing the wires over the rail and making replacement a snap! Part number 550-937F is a "plug-and-play" solution that includes a new harness to replace the crusty wiring in a Fox Mustang. Since the Terminator X only uses one oxygen sensor, we plugged the right-side exhaust pipe's O2 sensor bung. Find Holley 550-918 Holley Terminator X MAX Engine Management Systems and get Free Shipping on Orders Over $99 at Summit Racing! After draining about a gallon of coolant, we removed the upper intake manifold to get access to the factory injector harness. Read More. Ground shipping only in the contiguous US. 622hp/527tq. This bypasses the factory fuel pump relay without having to run a wire over here. (Our car of questionable service history had both color wires spliced in the harness. Harness Connector Kits; Specialty Wiring; Production Crimp Tools; 1997 Camaro Z28. Patreon link: https://www.patreon.com/HoneybadgerOBSPayPal:HoneyBadgerLSx@yahoo.comBig Thank you to 918 Motorsports!! This manual contains information and diagrams related to wiring most Holley EFI products including ECU’s, ignition systems, nitrous systems, water/methanol injection systems, sensors, and more. All the harness ends are labeled to make plugging them so fool proof that even a Chevy guy can figure it out. Find Holley 558-213 Holley Replacement Fuel Injector Wiring Harnesses and get Free Shipping on Orders Over $99 at Summit Racing! What fuel pump should i use for my turbo LSX car? 7200rpm 03' Sonic Blue Cobra 497rwhp 481tq 13' Taurus SHO Performance Pack Buy Holley Main Harness, Unterminated Universal 558-105 from EFISystemPro.Com and get free shipping If you are looking at this harness then you are obviously forced down a difficult road! Here is a wiring diagram showing the installation of the complete HyperSpark ignition including the distributor and optinoally-available ignition box and coil: Sniper Ignition Wiring with Holley Hyperspark Distributor and Ignition. The Holley Terminator X harness has a few relays and fuses which tuck nicely inside the cavity vacated by the old EEC-IV computer. Drivetrain Mounts, Engine Plates & Spacers, Direct Fit Remote Mount Twin Turbo Systems, Distribution Blocks, Filters, Adapters and Fittings, Microswitch and Solenoid Mounting Brackets. Holley Terminator X for SBC. Fortunately, the gauges on these old cars operate completely independently from the engine controls. With all the old harnessing removed, we fed the Holley Terminator X main harness down the same route as the factory harness. 10379038 - GMPP Pedal *CTSV* Holleys "supported" pedal, 22706224 - 2005-2010 Cobalt, G5, ION, Pursuit, edited map sensor identification page to have scaling limits for hptuners etc, Wiring, must haves, amazon list, sloppy go to parts, 4L80E Cheap stand alone trans controller using 0411 GM engine PCM, 4l80e Information, technical sheets, build info, guidelines, 4l80e sloppy transbrake (3rd gear spool mod), GM Map Sensor Identification - scale - offset - settings, LS Camshaft Sensor Sprocket or Gear & Crankshaft Relector ID Page, LS1 GENIII GM Gaskets seals and engine related Part Numbers, Sloppy Guide to Junkyard Turbo LSx Builds, Tons of General LS Information - oil pan, accessories, cyl heads, etc. The included bracket mounts the Terminator X safely under the passenger's seat--away from the hot engine compartment. Holley Terminator X - EFI info. The external ECU can be fully programmed with four inputs and four outputs as well as the ability to handle a single stage of nitrous, or integrated boost control! So, we connected the green fuel pump wire to this connector's red wire. © 2020 Holley I actually like the Holley pro dash , not a priority though.. These Holley replacement fuel injector wiring harnesses are replacements for the 8-cylinder injector harnesses. The harness comes out intact if you're patient. This means we didn't have to buy a new distributor, injectors, or idle motor to complete the job. Thankfully, we're replacing these old factory injector connectors (left) with the ones on the Holley harness (right). Let's walk through the installation and see how we converted this 1991 Mustang GT from Ford's old EEC-IV to Holley Terminator X. The factory narrow band oxygen sensors (left) are replaced with the Holley wideband sensor (right). Holley efi 558 102 ls1 6 24x 1x engine main harness 550 937f terminator x foxbody 5 0 mpfi kit 918 max 58x 4x ev6 ls with transmission control configuring and wiring sniper system for nitrous oxide how to set up inputs outputs on gen v lt direct injection kits infinitybox a c … Matt, 90' GT: Done! The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Our battery ground cable had this separate wire that used to go to the main factory harness. Rather than run a wire all the way over to the factory fuel pump relay location (under the driver's seat), we determined that the red wire from connector C216 (right here at the kick panel) already made the trip over to the fuel pump relay. We opened up the factory firewall grommet to make room for the extra wires and vacuum hose. This alternator plug-pigtail incorporates a Weather Pack style seal and an in-line resistor that allows, but does not require, a charge light in this exciter circuit. Holley has been the undisputed leader in fuel systems for over 100 years. All this made installing the Terminator X extremely straightforward. Wire Color Type Can be Configured As The harness has plugs for oil and fuel pressure. Note that you have to "unbolt" it from the computer--it doesn’t just pull out. Doing a 5 lug swap on the other car and trying to remember what I did over 10 years ago .. It not only set the standard for sophistication but also the incorporation of a mass airflow (MAF) sensor in 1988, made Ford's EEC-IV extremely adaptable to performance modifications. Aside from that, the Holley system was essentially plug-and-play, with only a handful of new connections needed to get the pony fired up and running. Even mild lumpy camshafts were no problem. We said goodbye to our old friend, the A9L computer by disconnecting the main main connector. To summarize, Holley was able to leave out some features found to be less-necessary by the majority of users and, in doing do, slash the … You may want to consider the 558-105 universal multi-point harness which is fully terminated. Let's take a look at three: small, medium and deadly serious!Read More, The C8 Corvette marks the moment that Chevrolet made their iconic sports car a rear-engine world-class weapon. The ignition output on your POWERCELL will supply the key-on power to their system. Having grown up in an era where fuel injection tuning practically required a Ph.D. in computer science, Holley's self-learning feature continues to blow our minds. The main, injector, ignition, and oxygen sensor harnesses all plug in to each other. We removed it and the green wire from the relay connector and spliced them together. Holley’s Super Sniper Stealth can support 1,250 horsepower and 21.5psi of boost so we teamed up with ProCharger superchargers to put one to the test on Westech Performance’s engine dyno. Our Infinitybox system can interface with any electronic fuel injection system in the market. ... and will be an outstanding reference for any Holley EFI System (including the Terminator EFI System or any EFI system based on the HP or Dominator ECU.) The Terminator only needs a small touch-screen device to get it set up. We carefully cut the grommet from the harness and set it aside for later. Compared to other kits, the Terminator X system uses Ford's idle air bypass control (IAC), TFI distributor, and the injector harness plugs into factory-type injectors. This harness connects to the 8 pin Metripak Input/Output connector, located in most Holley EFI main harnesses (Terminator harness have a 3 pin I/O connector). ... Terminator Ignition Wiring with Holley Dual Sync Distributor. set to simple and try .020 first, then .030, you can test it just off idle, so you dont get your teeth knocked out and work it out from there, shorter time, shorter bump, point of reference im a th400, 3.27 gear, 28 inch tire, and i was bumping at like 2k, havent dialed in settings for 3500 suspected launch rpm but im at .0750 that is POINT, ZERO> 750, 18$ 4 bar map sensor - ACDelco 12643955 GM Original Equipment Manifold Absolute Pressure Sensor. Whatever.) Their new Stealth 4150 models resemble a Holley XP carburetor but have four 100lb/hr injectors hidden inside the throttle body. And set it aside for later connector ( Ford calls it C110 ) - must..., we removed the upper intake manifold to get the Terminator X MAX engine management systems and get shipping... Harness near the kick panel you through the details, when things got serious the EEC-VI needed get... 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