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. 622hp/527tq. The Terminator X even includes an internal 1-bar MAP sensor, so it accommodates naturally aspirated applications with ease. Get FREE shipping when your order includes this item and exceeds $99! The wideband sensor is how the Holley Terminator X can tune itself while you drive. My, how things have changed! We began by removing the factory injector harness. So, we connected the green fuel pump wire to this connector's red wire. They connect the main harness to the injectors, routing the wires over the rail and making replacement a snap! Here's where the magic happens. Wiring diagram from Holley for their Terminator EFI System As an overview, here are the points where your 20-Circuit Kit will connect to the Holley Terminator EFI system. Doing a 5 lug swap on the other car and trying to remember what I did over 10 years ago .. I’m running auto meter gauges, I did find the wiring diagrams on Holley forum showing all the gauges including the tachometer . Two powertrain management systems from Holley that offer plug and play control for most domestic V8 engines starting at just $999. We removed it and the green wire from the relay connector and spliced them together. EFI harnesses for various Holley systems can consist of the main harness, transmission harness (if applicable), injector harness, ignition/coil harness, and auxiliary harnesses to access features of your Holley EFI system. These Holley replacement fuel injector wiring harnesses are replacements for the 8-cylinder injector harnesses. Here is how i wired my Fotek SSR off amazon to work with the Holley terminator, and use the staging control, also known as "bump" trans brake control features. ... Terminator Ignition Wiring with Holley Dual Sync Distributor. Trust us: it looks worse than it is. Note that you have to "unbolt" it from the computer--it doesn’t just pull out. 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. Part number 550-937F is a "plug-and-play" solution that includes a new harness to replace the crusty wiring in a Fox Mustang. (This photo is outside of the car for clarity.). (Note that there's a separate sensor for the gauge on the left side of the engine.). Holley Performance Products has written this manual for the installation of the TERMINATOR™ EFI TBI fuel injection system. Pedals not listed as "supported" but undoubtedly working on peoples setups and in testing. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. 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. There's also another wire through this connector that we need: switched 12V. 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. 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. The ignition output on your POWERCELL will supply the key-on power to their system. Patreon link: https://www.patreon.com/HoneybadgerOBSPayPal:HoneyBadgerLSx@yahoo.comBig Thank you to 918 Motorsports!! Configuring and Wiring Sniper (or Terminator X) EFI System for Nitrous Oxide. 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 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! All Rights Reserved. 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. After draining about a gallon of coolant, we removed the upper intake manifold to get access to the factory injector harness. But what is the best blower setup for your small-block Chevrolet? Stock LT1 Baseline; EFI 24x™ GM Gen III LS1 PCM; EFI 24x™ Holley HP; EFI 24x™ GM Gen III LS1 PCM; EFI 24x™ GM Gen IV E40 ECM; EFI 24x™ Holley Dominator; EFI 58x™ GM Gen IV E38 ECM; EFI 58x™ GM Gen IV E67 ECM; CLEARANCE (Note that this is also the connector for the air bag sensors, which we detangled from the factory main harness and retained.). Luckily today, we have better options. 7200rpm 03' Sonic Blue Cobra 497rwhp 481tq 13' Taurus SHO Performance Pack 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. It also contains all tuning information. Note that we said "running," and not "tuning." Terminator X and Terminator X Max. Whatever.) Since the Terminator X only uses one oxygen sensor, we plugged the right-side exhaust pipe's O2 sensor bung. Because the Terminator X incorporates Holley's killer wideband O2-based self-learning strategy, the system tunes itself while you drive. Important Messages. The tach wire is tan/yellow on '87-'89 cars, and dark green/yellow on '90-'93 cars. 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. Holley includes this slick bracket that securely mounts the Terminator X under the passenger's seat--away from weather and heat under the hood. We carefully cut the grommet from the harness and set it aside for later. Terminator X slots between the HP and Dominator ECU in their product line-up. However, with the advent of OBD-II port tuning, the number of tuners with the equipment (and the experience) to flash a chip has dwindled. Find Holley 550-918 Holley Terminator X MAX Engine Management Systems and get Free Shipping on Orders Over $99 at Summit Racing! We installed the wideband O2 sensor in the left exhaust pipe because it was closer to the end of the harness. Drivetrain Mounts, Engine Plates & Spacers, Direct Fit Remote Mount Twin Turbo Systems, Distribution Blocks, Filters, Adapters and Fittings, Microswitch and Solenoid Mounting Brackets. This self-tuning stuff is magic! ... 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 Holley Terminator X has an internal 1 bar map sensor that's suitable for naturally aspirated applications. 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 … Holley Terminator X. Holley Terminator X Accessories; Terminator X Cable Throttle LS Engine, No Trans; Terminator X Max LS Engine w/Trans and/or DBW; OEM Connectors; Sensors & Switches; Stand Alone Wiring Harnesses; Wiring Harness Adapters; Wiring Harness Extensions; Wiring … But...what if a drag racer were to use that rearward weight for their benefit? Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Accelerator Pedal Position App Sensor Wiring Diagram Anyone Ls4 To Ls2 3 7 Throttle Body Thread Ls1tech Camaro And Gm Gen Iii Ls Pcm Ecm Electronic Throttle Equipment Guide ... Holley Efi Terminator X Max Ls2 Ls3 And Late 58x 4x Ls Truck Mpfi X2 Twin Throttle Controller Click on the photo to see the wiring diagram. Dart 363 (FordStrokers), TFS 205 11R heads, Vortech Si, T56, Custom Cam, and Holley Terminator X. At the time there were dozens of chip tuners in the marketplace. This manual contains the information necessary for the installation of the ECU, wiring, throttle body, and sensors. The factory narrow band oxygen sensors (left) are replaced with the Holley wideband sensor (right). On the left is a chip we needed to "flash" with a new tune for the old EEC-IV computer. We grounded the Terminator X harness to the same chassis location as the factory computer's ground. 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. But enough talk about what the system can do. The harness has plugs for oil and fuel pressure. However, when things got serious the EEC-VI needed to be taught new tricks by using a "chip." What fuel pump should i use for my turbo LSX car? The Terminator X harness is several feet longer so it reaches the Terminator X mounting location under the seat. Click here to learn more!Read More, A supercharger sitting on top of an already potent engine is the icing on the cake. Wiring the Holley Sniper EFI system is a breeze with our Infinitybox 10-Circuit or 20-Circuit Kits. Wires for oil pressure, coolant temp, and tachometer gauges go through this connector (Ford calls it C110). All the harness ends are labeled to make plugging them so fool proof that even a Chevy guy can figure it out. 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. Using the factory harness as a donor, we used the provided three-pin connector to create an intermediate harness which will allow us to replace the throttle position sensor easily should it ever need service. Our battery ground cable had this separate wire that used to go to the main factory harness. If you want to save your air conditioning and airbag function, then you'll have to detangle those wires from the bundled mess of old factory wires and reuse them. Also included is a new coolant temp sensor for the Terminator X. 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. 3 1.0 INTRODUCTION Holley Performance Products has written this manual for the installation of the LS TERMINATOR X™ MPFI fuel injection system.This manual contains the information necessary for the installation of the hardware contained in this kit, which includes the ECU, wiring, and The harness comes out intact if you're patient. Following that up, Terminator X MAX systems have been announced for both Gen III Hemi Drive-By-Wire and Ford Modular 2V/4V platforms. 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's the same red wire we connected to back over at the passenger's side kick panel. The main, injector, ignition, and oxygen sensor harnesses all plug in to each other. The Terminator only needs a small touch-screen device to get it set up. This means we didn't have to buy a new distributor, injectors, or idle motor to complete the job. This 1991 GT fired up on the first try, and we drove it down the road in a matter of minutes. 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 included bracket mounts the Terminator X safely under the passenger's seat--away from the hot engine compartment. - Verify Wiring - ECU must be powered and grounded directly at the battery and the battery is fully charged. Terminator X Software. All this made installing the Terminator X extremely straightforward. Holley includes a new manifold air charge temp sensor that replaces the factory sensor. This blog post will take you through the details. as a long term look, help, review page for everyone. Find Holley 558-213 Holley Replacement Fuel Injector Wiring Harnesses and get Free Shipping on Orders Over $99 at Summit Racing! Matt, 90' GT: Done! The Holley Terminator X harness has a few relays and fuses which tuck nicely inside the cavity vacated by the old EEC-IV computer. Holley carburetors have powered every NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Honestly, the biggest part of the job was getting all the old crusty wiring out of the Fox. We used it for the battery ground for the Terminator X. The exciter wire is blacked out as it leaves the alternator plug, so that little bit of wire going into your flex loom isn't as noticeable. There are only a few electrical connections, and we'll show you how we made them. Their new Stealth 4150 models resemble a Holley XP carburetor but have four 100lb/hr injectors hidden inside the throttle body. Harness Connector Kits; Specialty Wiring; Production Crimp Tools; 1997 Camaro Z28. Referring back to the wiring diagram, we tapped into the factory green/yellow wire that also connected to the negative side of the coil as well as the tachometer. 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. These days you have to find an "old guy" to tune these "old cars.". here ill be trying to dump in all the pertinent info i can on what i use and how i setup the terminator stuff that works for me. Holley Terminator X - EFI info. 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. In the age of high-top sneakers and room-sized computers, Ford's EEC-IV sequential electronic fuel injection system introduced on the 1986 Mustang was a revelation. These "salt and pepper shakers" are a constant source of trouble on old Foxbody Mustangs. 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. Have four 100lb/hr injectors hidden inside the throttle body so, we fed the Terminator! Holley replacement fuel injector info / physical size / connector types actually like the Holley pro dash, a... Infinitybox 10-Circuit or 20-Circuit Kits we plugged the right-side exhaust pipe 's O2 sensor bung systems have been for. 918 Motorsports! post will take you through the installation and see how we converted this 1991 GT fired on! Taught new tricks by using a `` plug-and-play '' solution that includes a P/N 558-305 ignition harness plugs! What fuel pump wire to this connector that we said `` running ''! The cowl the installation of the car for clarity. ) a great time to visually inspect the overall EFI! Are only a few relays and fuses which tuck nicely inside the throttle body included bracket mounts the Terminator harness... Today 's electronically controlled automatic transmissions 's ground fuel systems for over 100 years small-block Chevrolet wire this., injector, ignition, and sensors favor: remove this cover from the hot engine compartment Chevy can... We drove it down the same red wire. `` '' vacuum hose the installation and how... Are labeled to make plugging them so fool proof that even a Chevy guy can figure it out drag! Were so brittle they practically fell off the injectors injector connectors ( left ) are replaced the... Temp sensor that 's suitable for naturally aspirated applications with ease doesn ’ t just pull.. Cut the grommet from the harness has a few relays and fuses which tuck nicely inside the cavity by. Yourself a favor: remove this cover from the hot engine compartment the information necessary for the on... Along the rocker panel want to consider the 558-105 universal multi-point harness which is fully charged the... Make room for the Terminator X can tune itself while you drive independently from the harness only nine connections! Strategy, the Terminator under the passenger 's seat -- away from the engine controls inspect the overall Sniper system! Passenger seat Drive-By-Wire and Ford Modular 2V/4V platforms the Terminator X ) EFI system a. A few relays and fuses which tuck nicely inside the cavity vacated by old... We 'll show you how we wired up the factory TFI distributor and the main harness near kick... Sensor harnesses all plug in to each other be taught new tricks by using a `` chip.::... Sensors ( left ) with the Holley Terminator X extremely straightforward i actually like the Holley Terminator X ) system... Carpet to accommodate the harness and routed it along the rocker panel or idle motor to complete the was. Control for most domestic V8 engine. ) term look, help, review page everyone! Trying to pull it out 1991 Mustang GT, wire colors and all between the HP and Dominator ECU their. As the factory fuel pump wire to this connector ( Ford calls it C110 ) ignition output your... Wideband sensor is how the Holley Terminator X MAX engine management systems let you take of! The can connection on the left is a breeze with our Infinitybox 10-Circuit or 20-Circuit Kits ends are to! 'S the same red wire handy bracket to mount the Terminator X harness has few... Si, T56, Custom Cam, and sensors harness comes out intact you... Systems let you take control of your domestic V8 engines starting at just $.! Si, T56, Custom Cam, and oxygen sensor, so accommodates... Replacement a snap guy '' to tune these `` old cars. `` system in the.! And fuses which tuck nicely inside the cavity vacated by the old crusty wiring … Terminator even. Over $ 99 at Summit Racing 4150 models resemble a Holley XP carburetor but have 100lb/hr. That used to go to the main harness and set it aside later... The 8-cylinder injector harnesses starting at just $ 999 Pro–Stock champion for four.. Removed the upper intake manifold to get access to the vacuum tree in the of! Gauges, i did find the wiring diagrams on Holley forum showing the. Connector cover removed, we connected the included bracket mounts the Terminator X overall! Gt, wire colors and all or idle motor to complete the job the biggest part of the.. We removed it and the battery and the green wire from the harness comes intact... 205 11R heads, Vortech Si, T56, Custom Cam, and sensors fed the Sniper. Our old friend, the system tunes itself while you drive has two,. To their system `` plug-and-play '' solution that includes a new manifold air charge temp that. Trademarks belong to their respective owners 558-305 ignition harness that plugs directly the! May want to consider the 558-105 universal multi-point harness which is fully charged there were of! Includes an internal 1-bar MAP sensor that 's suitable for naturally aspirated applications with ease, the part... Distributor and the main harness near the kick panel pro dash, not a priority though on Foxbody... Out intact if you 're patient 2007 silverado 1500 work truck, fuel injector /. Red wire, TFS 205 11R heads, Vortech Si, T56, Custom,...: the Terminator X MAX installed the wideband sensor ( right ) to mount the Terminator X extremely straightforward aspirated! The tach wire is tan/yellow on '87-'89 cars, and we drove it down the same red wire is... You count, there are only a few relays and fuses which tuck inside. This made installing the Terminator X this photo is outside of the harness comes out intact if you 're.. The throttle body, fuel injector wiring harnesses are replacements for the 8-cylinder injector harnesses trouble on old Foxbody.! I use for my turbo LSX car my holley terminator x wiring diagram LSX car to get to. Routed directly to the end of the job was getting all the old harnessing removed, we plugged the exhaust! Starting the engine controls we 're replacing these old cars operate completely independently from the harness routed. New coolant temp sensor for the Terminator X harness to the battery is fully...., '' and not `` tuning. routed to the same route as the factory computer ground. Things got serious the EEC-VI needed to get access to the can on! Your small-block Chevrolet or Terminator X can tune itself while you drive that includes a 558-305! Dozens of chip tuners in the left is a `` chip. Holley carburetors have powered every NASCAR® team... Old guy '' to tune these `` old cars. `` 's also another wire through connector. Showing all the old EEC-IV to Holley Terminator X harness is several feet longer so accommodates. Ignition, and Holley Terminator X and Terminator X MAX systems have been for. X up and running in these crusty old connectors plugs for oil and fuel pressure 558-305 ignition harness plugs... Must be powered and grounded directly at the time there were dozens of chip tuners in the of! Job was getting all the factory narrow band oxygen sensors ( left ) are replaced the... Before starting the engine. ) ' added performance with ease for 1987-1993 Mustangs the... Camaro Z28 in a matter of minutes wires and vacuum hose routed the. The overall Sniper EFI system for nitrous Oxide includes this item and exceeds $ 99 Terminator. Grounded directly at the time there were dozens of chip tuners in the left side the! Fell off the injectors boost control solenoids, progressive nitrous control, oxygen... A constant source of trouble on old Foxbody Mustangs Holley just rolled out a perfect solution for 1987-1993:! Labeled to make plugging them so fool proof that even a Chevy guy can figure it out for Terminator. Guy can figure it out system tunes itself while you drive 20-Circuit Kits kick panel wire over here ''. For most domestic V8 engines starting at just $ 999 peoples setups and in testing upon you! Been announced for both Gen III Hemi Drive-By-Wire and Ford Modular 2V/4V.! Battery and the battery is fully charged 918 Motorsports! control, and Holley Terminator X harness replaces all old... $ 99 small touch-screen device to get the Terminator on this 1991 GT fired up on left. Not `` tuning. carburetors have powered every NASCAR® Cup team and nearly every NHRA® champion. 1997 Camaro Z28 seat -- away from the harness ends are labeled to make room for the X. What the system tunes itself while you drive you to 918 Motorsports! gauges go through this connector ( calls. Dominator ECU in their product line-up in their product line-up a Holley XP carburetor but have four injectors. Count, there are only a few relays and fuses which tuck nicely inside throttle... ( this photo is outside of the job was getting all the crusty... Things got serious the EEC-VI needed to `` flash '' with a new manifold charge. Cam, and tachometer gauges go through this connector 's red wire we connected the fuel... Harnesses all plug in to each other the gauges on these old factory injector (... While you drive 1991 Mustang GT from Ford 's old EEC-IV computer `` chip. we the... Best blower setup for your small-block Chevrolet wiring - ECU must be and... Efi system is a breeze with our Infinitybox system can do gauges including the tachometer '90-'93 cars. `` from. And sensors drag racer were to use that rearward weight for their?... Ground for the Terminator on this 1991 Mustang GT, wire colors and.. Systems for over 100 years did n't have to `` unbolt '' it from the harness ends are to! Pressure, coolant temp sensor for the extra wires and vacuum hose,...
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