You can see  both though the clear plastic. Total. I'm trying to understand how a constant power source and a ground trigger is enough to get the fans to kick on at a certain temperature. Learn More | … Flip the connector over and Remove the PCM. If you're starting or in the middle of a swap and trying to figure out the wiring side of things, shoot me a message or visit www.lsharnessconnection.com to get started with your order! A/C wiring utilizes stock BMW fuse box AC relay and wiring. © 2017 Power Automedia. Computers, Wiring and Fuel Injection Many of us speak nostalgically about the days when engine electrical and fuel systems were about the simplest parts of an engine swap. There was a … Full factory instrument cluster functionality; Factory Anti-lock brake system; Cruise control; Air conditioning; Electric fans; E67 ECU may be required to keep full factory functions in some cases; Gen 5 LTx Engine. See all 17 photos. Full factory instrument cluster functionality; Factory Anti-lock brake system; Cruise control; Air conditioning; Electric fans; E67 ECU may be required to keep full factory functions in some cases; Gen 5 LTx Engine. In this way the electric fan motors are wired in a series and voltage is reduced, causing the fan motors to spin at low speed. We will safeguard your e-mail and only send content you request. Start by connecting power from the hot side of the battery to the panel’s main power terminal, which ensures all of the fuses in the fuse panel will receive power once you’ve connected the negative side of the battery. 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Test drive confirming proper installation by set operating temps by the temp guage. Use a test light or volt meter to find the wire that triggers the passenger side fan over the A/C condenser to come on high speed when the A/C is turned on. The label "TO FAN RELAY CONTROL (-) can splice into the wire from the PCM to the FAN relay. PCM Reprogramming Services I will reprogram PCM, ECM, TCMs for engine swap applications. Mar 21, 2017. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. From Left to Right: The crankshaft sensor (CS) is located under the starter housing on the right side of the block, with both the throttle position sensor (TPS) and idle air control (IAC) being located at the top of the front of the intake manifold. Also included is an easy-to-follow wiring diagram. 30 (other red wire) needs constant 12-volt power from the battery. Join the discussion. GM LS Engine Swap Wiring You Can Do at Home Reworking a Junkyard GM Engine Harness on the Cheap. Be sure to clear the PCM when installing the screws, the upper right hand corner is usually the best spot just be sure they clear the PCM and NOT TO SCREW THEM IN TO TOUCH THE PCM . You must either solder them together and shrink wrap, or crip together using the supplied butt connectors and shrink wrap using the proper wire crimpers to crimp the leads. Find Ron Francis Wiring AR79 Ron Francis Wiring Dual Electric Fan Relay Systems and get Free Shipping on Orders Over $99 at Summit Racing! This is 2 fans low operation. Next, remove one of the two 10mm bolts on the Alternator/Accessory bracket that secure the junction box. This makes for easy, Hassle Free hook-ups right out of the box. Including, but not limited to LT1, LS1, LM7, LR4, LQ9, LQ4, 4.8, 5.3, 5.7, 6.0, 6.2, and 7.0 Engines. The PCM is sending a ground signal to the relay but the relay is not activating. 0 Comments. We have moved! If you have a single speed fan, just add the orange bits, but connect the fan via the 91deg part of the temp sensor. Once you’ve done that, you can now connect the negative side of the battery. Build your own custom newsletter with the content you love from LSX Magazine, directly to your inbox, absolutely FREE! Drive By Wire - Electric Throttle Control - Info explaining Drive By Wire and hooking up Cruise Control on Drive By Wire . (fig2) The black cover should pull off by pulling outward on the cover, releasing from the two plastic tabs. Jay Kopycinski Photographer, Writer. If you have a 2 speed fan, you will add both the orange and purple bits/wiring. LS wiring harnesses and swap kits for all Gen III and IV engines. Trimming of the junction box must be done to get it to close. The MAP is located at the top of the back of the manifold. Call 800.979.0122, 7am-10pm, everyday. Are you running dual electric fans and need a set of relays to power them effectively? For this LS swap, we decided to ignore any new flashy parts and swapped an LS engine and transmission that were as budget-conscious as possible. Join the discussion. 5b.Notice Flex-a-Lite / Universal Fan Motor Plugs: - LT1 - LS1 - 05+OEM - Flex-a-Lite - Universal - Street & Strip - We have you covered. Flip the connector over and Remove the PCM. Locate the green wire. Power leaves the fuse box via fuse F19 and goes to the input side of the temp switch. 1 - 15 of 15 Posts. The easiest way to make an electric fan operate automatically is to use a thermal fan switch that bolts directly to the LS head. Direct-fit Flex-A-Lite® Extruded Core performance aluminum radiator and dual electric fan system for 1967-1972 full-size 1/2-ton Chevrolet or GMC truck and SUV with LS engine swap. If your project uses electric fans, begin with a PCM calibration from a vehicle that has electric fans. Testing harness operation: 1. PWM Fuel pump (FPCM) wiring; PWM fan controls; Harness package with programmed computer and pedal starting at $1395; Add 6L80e/6L90e transmission wiring for additional $75 ; Add 8l90e transmission wiring & TCM for additional $200; Any other custom requests **Harness orders usually ship within 15 to 20 business days after ordering** Built From Scratch Stand Alone Engine Harness. (fig.1) This electric fan relay kit will operate a dual fan setup, not to exceed 30 amps each. You can see it though the clear plastic. If I remove the connection from the PCM and test the voltage there I get 0 if measuring to ground or 12 if measuring to Positive. Take your 7mm socket remove the blue PCM connector closest to the engine. We also specialize in LS and LT swap standalone harnesses. If not, re trace your steps. 5a. We wanted to see exactly how cheap we could swap an LS into an older full-size GM car for and what other items needed to be considered during the swap. This way the PCM can still control the fan when A/C is off, or when A/C is commanded on, the fan comes on right away. 6. Compare These Parts Talk to the Experts. Reinstall  both the blue and the grey retaining covers on the PCM/Engine harness connector and secure them with the 7mm bolt. 1993-2015 LT1/LS1 DIY Factory Harness Mod Kit . If so, got to step #6. Holley and Hooker have partnered together to offer the most versatile and complete LS swap kits on the market so you can install the GM LS engine into your favorite chassis! All PSI Harnesses are Made in the USA. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. That's where A-Team's engine and transmission wiring harness comes in. The center of this conversion is our engine and transmission mount kit. Engine and vehicle management computers are now a major part of modern automotive systems, and therefore, a significant concern when doing a conversion. Pictured here is the front of the factory fuse panel. 3. Then connect switched power (usually from your ignition switch), to the blue wires on both relays (tab 86). All rights reserved. A complete installation instruction booklet is included with every module. The throttle position sensor (TPS), idle air control valve (IAC), and manifold air pressure (MAP) are three more sensors that will need to be used too. 86 (gray/white wire) goes to the ignition switch. Enjoy your new much more quiet, smoother running, and more efficient running vehicle. This wire may be light green or green w/ white stripe. Universal/Flex a Lite fan harness motor plug leads, these wires* themselves will be grouped and tagged together as Fan #1 and Fan #2. LS2, LS3, LSA, LS9, Vortec 4.8, 5.3, 6.0, 6.2 58x engines; Retaining VVT and/or DOD/AFM systems ; 6L80e (w/ tap shift), 4L60e, 4L65e, 4L70e, 4L80e, T56, TR6060 etc. Mounting an external in-line fuel pump is probably the easiest. The AC compressor connector must be wired to the chassis’ output AC signal wire. Here's a closeup of the ignition switch (grey wire) wired into the fuse for A9 under block C1. Compare These Parts Talk to the Experts. Once you tap it, use your test light or volt meter to recheck and confirm proper operation (fig.4) Use pliers and a small flat head screwdriver, remove the grey harness retaining cover from the top of the blue PCM connector. Electrical wiring in a vehicle can sometimes get pretty tough. The fan(s) are triggered via a temperature switch and 40-amp relay combination. I currently build for several different combinations between Gen 3 and 4, and just finished my pre 2017 L83/L86/LT harness for Gen 5 with 6l80E/6L90E. We also specialize in LS and LT swap standalone harnesses. Pliers Electrical wiring in a vehicle can sometimes get pretty tough. 1 - 15 of 15 Posts. 3. 2. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? GENTLY, pull on it blue42  fan harness wire to seat it and make sure it is secure to not back out when reinstalling the retaining covers. GM LS Engine Swap Wiring You Can Do at Home from our Chevy Tahoe harness for a L engine swap. CAUTION YOU MUST USE THE PROPER GUAGE WIRE TAP AND CONFIRM YOU HAVE THE RIGHT GREEN WIRE FIRST. He also recommends that now would be a great time to have the rear oxygen sensors (O2) sensors disabled as well. Startup guaranteed. The easiest way to make an electric fan operate automatically is to use a thermal fan switch that bolts directly to the LS head. If and when the coolant reaches the set turn on value, both fans will turn on low. Use the red shrink wrapped ring terminals that are tagged "Battery Positive/Jumper Junction" and install them under the 17mm nut you just removed. This includes the LT1, LS1, LS2, LS3, LS7, L99, L76, L77, L92, L98, LM7, LM4, LSA, LS9, L83, and the new Gen V LT1. Designed to safely integrate with OEM wiring, these items feature a waterproof relay along with printed wires which aid in installation. We hand build every harness to fit exactly what your project needs and they actually form fit on the engine to make your wiring look and perform perfectly. Wire cutters/Butt connector crimpers, Installation Instructions Learn how to wire dual electric radiator fans. - LT1 - LS1 - 05+OEM - Flex-a-Lite - Universal - Street & Strip - We have you covered. If not retrace your steps, If so go to step #5. The integrity of these 4 connection(2 positive and 2 negative) will make or break the install of the harness. Turn off the A/C. Products to Compare (max of 3) X. An LS engine swap is a No-Brainer when it comes to adding some affordable horsepower to a project car, but any swap comes with its share of headaches, including wiring. 1. The system can also be wired to another controller, allowing a … Toggle menu; Login or Sign Up; Search. LV3 Swap Kit 4.3L Turnkey Swap Kit quantity. Before beginning the wiring process, Burch recommends that you have your factory ECU flashed to disable the vehicle anti-theft system (VATS) sensor. 4.b 03-05 Dual Pin Triggered applications: Use pliers and a small flat head screwdriver, remove the grey harness retaining cover from the top of the blue PCM connector. As Burch says in the video, you should instantly hear the fuse for the repaly pump begin to prime, ensuring you have power to the ignition switch. Next, you’ll want to find the ignition switch wire (usually a grey colored wire) and wire it to pin number A9 for the ignition switch, which is under block C1 on the fuse panel. 17mm socket/wrench These LS swap kits are for 1988-1998 GM 2wd and 4wd trucks and 1992-1999 SUVs. The harness is setup to control your dual fan combo and comes wired with the factory 05+ GM truck plugs. Fan #1 will be the drivers side fan and fan #2 on the passenger side over the A/C condenser. Of most importance is the consideration of electric fan control. Since 1974 we have been providing quality electrical products to the street rod, hot rod, custom car, truck and racing markets. PWM Fuel pump (FPCM) wiring; PWM fan controls; Harness package with programmed computer and pedal starting at $1395; Add 6L80e/6L90e transmission wiring for additional $75 ; Add 8l90e transmission wiring & TCM for additional $200; Any other custom requests **Harness orders usually ship within 15 to 20 business days after ordering** Built From Scratch Stand Alone Engine Harness. If so go to step #3. This mount kit includes new frame brackets that bolt into existing holes in the frame. 6. I am working on a LS swap and I cannot get the cooling fans to work. This prevents power from being applied to both wires of the fan at the same time. Sales & Support 1-860-799-6579 MONDAY TO FRIDAY FROM 9:00 TO 6:00 (EST) Search. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. © 2020 Power Automedia. If you want your fan or fans to turn on with a/c compressor, you can use the following wiring to do that. This can be accomplished several ways. We are currently up and running and shipping from our new location. Relay K1 is the low speed relay, and K6 is the high speed. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. There are a great variety of option here. These electronic gauges and senders can be wired into your LS wiring harness. His passion for anything that is fast, or has a V8, brought him to Power Automedia. Additional instructions are provided for those with fuel injected vehicles equipped with an ECM that has cooling fan activation capabilities. LS engines use a … The black cover should pull off by pulling outward on the cover, releasing from the two plastic tabs. Lubricate the PCM pins and wires on the harness tagged BLUE 42 and GREEN 33 using vaseline or die electric grease. 86 (gray/white wire) goes to the ignition switch. We have moved! FAILURE TO DO SO HERE WILL RESULT IN TROUBLE!. Track Order . If the light dose not come on when you turn on the A/C, it not the correct green wire. tutorials and wiring diagrams on. Add to cart. As soon as the A/C clutch engages, one fan will turn on high. GEN 3 HARNESS Ready to ship! Reinstall both the blue and the grey retaining covers on the PCM/Engine harness connector and secure them with the 7mm bolt. Jul 4, 2017 - Conversions & Hybrids - 5.3 wiring harness Wiring diagrams here!!! We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Use pliers and a thin pick or screwdriver, press on the white retaining tabs on each side of the blue-clear cover and pull it off. Finally, run a fused constant power to both of the red wires … The relays will activate the electric fans if the thermostat reaches 205°F or if the A/C compressor clutch is engaged. GEN 3 HARNESS Ready to ship! It should should line up and look uniform like the rest of the pins. Gently push Blue 42 trigger through pin 42 on the PCM until it secures itself. ¼ nut driver Reset Search × Search. These LS swap kits are for 1988-1998 GM 2wd and 4wd trucks and 1992-1999 SUVs. Reply. 87 (red wire) connects to the positive wire on the electric fan. We are currently up and running and shipping from our new location. 9 _94_4.3_SS_ ... 1.6 roller rockers, Flex-a-Lite electric fan, Edelbrock headers, 2 1/2" Dual Flowmaster 40 series exhaust, dual high-flow cats, 3.43 limited slip rear, 15x8 & 15x9.5 billet rims, 95 Blazer front end w/cleared lenses... Save Share. Direct-fit Flex-A-Lite® Extruded Core performance aluminum radiator and dual electric fan system for 1967-1972 full-size 1/2-ton Chevrolet or GMC truck and SUV with LS engine swap. underneath the 10 mm bolt that you removed and re install the bolt. 4. Your #1 Source for OEM Operated PCM Controled and Universal Electric Fan Harnesses. Pic or thin screwdriver If you’re in the process of performing an LS swap, but find yourself stuck playing with electrical gremlins, have no fear. Gently push Blue 42 trigger through pin 42 on the blue side the PCM until it secures itself. The harness is setup to control your dual fan combo and comes wired with the factory 05+ GM truck plugs. Start the truck. LS2, LS3, LSA, LS9, Vortec 4.8, 5.3, 6.0, 6.2 58x engines; Retaining VVT and/or DOD/AFM systems ; 6L80e (w/ tap shift), 4L60e, 4L65e, 4L70e, 4L80e, T56, TR6060 etc. The PCM calibration is specific to each of these implementations. Chevy C10 LS Swap On a Budget . Factory cooling fans remain functional if that option is selected. An … *THESE ARE SPECIFICALLY ASSIGNED TO EACH FAN AND MUST BE INSTALLED ACCORDINGLY. Use the small flat head to pry the grey retaining tabs out. Products to Compare (max of 3) X. Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines, Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC Engines. We wanted to see exactly how cheap we could swap an LS into an older full-size GM car for and what other items needed to be considered during the swap. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? They both should line up and look uniform like the rest of the pins. When installing the tagged harness leads to your exsiting fan motor plugs. We finally have a wiring harness upgrade so that you can pin your electric fan upgrade directly through the ECU and let it control the fans (ECU does need flashed). This is the most cost effective method. Jump to Latest Follow 1 - 15 of 15 Posts. FAILURE TO DO SO WILL RESULT IN HARNESS OPERATION FAILURE AND VOID YOUR WARRANTY When the PCM triggers the two additional relays, the same voltage flows through each electric fan motor. Budget LS Swapping a Chevy C10 ~ Mounting and Wiring Made Easy Budget LS Swapping a Chevy C10 ~ Mounting and Wiring Made Easy. They utilized electric power steering. Add to Cart . Tug them both to confirm they are tight. Burch continues with the crankshaft sensor (CS), which is another critical component necessary for the initial wiring, stating that the ECU will need to measure the rotation of the crankshaft. Cars nowadays come from the factory with a multitude of sensors, and those sensors work together with the car’s computer, which is referred to as the engine control unit (ECU). If you’re in the process of performing an LS swap, but find yourself stuck playing with electrical gremlins, have no fear. Take the 17mm wrench remove the nut from the red battery junction box.       Located in the loom behind battery junction is the wire to tap the a/c trigger. 99-02  A/C single pin Blue 42 triggered applications. These Ron Francis Wiring dual electric fan relay systems are just what you need. And we proudly make our products in the U.S. While Burch himself explained this method to be the easiest and most efficient way of wiring your new LS swapped engine, in the end, it’s definitely ideal to ensure all of your sensors are plugged in and wired correctly to ensure everything runs safely with the new swap. All rights reserved. If not retrace your steps, If so, got to step #4. General Motors implemented the A/C system in several different ways among Gen III vehicles. You will need to add the female spade terminals into the fuse box for the relays K1, K6 and the fuses 3, 18, 19 and the wiring to the fan/temp sensor. A couple of decades ago, it was popular to simply add a switch under the dash to control an electric cooling fan, often referred to as an auxiliary fan. When electric fan installs don't perform as expected the problems are often traceable to under-wiring and/or poor splices and grounds. Learn More | … Reply. Often even the stock C10 fan shroud can be used. Official Site of Ron Francis Wiring. We also carry many other products to help you with your swap, including hard to find air conditioning parts! This meant fabricating, reusing, and calling friends for parts. (fig.3) The full product line now includes the patented Flex-a-fit aluminum radiators, electric fans, belt-driven fans, oil coolers, Mojave heaters and Flexite windows. This includes removal of Anti-Theft or VATS, changes to fan on and off temps, injector part number, segment swaps for 4L60e to 4L80e conversions. Retains functional alternator charge display, oil pressure display, coolant temperature display, reverse lights and wipers. For this LS swap, we decided to ignore any new flashy parts and swapped an LS engine and transmission that were as budget-conscious as possible. We also carry many other products to help you with your swap, including hard to find air conditioning parts! 7mm socket/ratchet Living in San Diego for most of his life, Harrison was exposed to a variety of cars at an early age. Take your 7mm socket remove the blue PCM connector closest to the engine. The GM LS engine has quickly become the high-performance standard in the performance aftermarket. [ January 3, 2021 ] Sheet Metal Cutting and Grinding Tools with Fitzee’s Fabrications How To & DIY [ January 3, 2021 ] Clay and Sons MOPAR Salvage Yard Vehicles For Sale [ January 1, 2021 ] 1955-59 GM Truck Body Panel Alignment: Cab to Door to Fender to Hood How To & DIY [ December 31, 2020 ] Top Tested Tools and Accessories of 2020 Products & Reviews Ls1 - 05+OEM - Flex-a-Lite - Universal - Street & Strip - have... Dd speed Shop is back with another DIY for budget builders, time... 2 negative ) will make or break the install of the pins invented the fan! The circuit at 190 * email address for anything but exclusive updates from the two additional relays the. Switched override capability, fuse holder, and K6 is the high speed wiring in a vehicle can sometimes pretty! And Examples sending a ground signal to the input side of PCM until secures... Harness for a L engine swap wiring you can do at Home Reworking a Junkyard GM engine harness the! Bolt into existing holes in the performance aftermarket but the relay is not activating connect the negative of... Est ) Search engine swaps on the Cheap sending a ground signal to the fans based engines transmissions... The power Automedia LS engine swaps on the Cheap have to understand it, but it would me! Of 15 Posts Controled and Universal electric fan relay systems are just what you need Hassle FREE hook-ups out... Fabricating, reusing, and K6 is the front of the box most his... Be wired into the fuse box AC relay and wiring connectors for LS Standalone with. Tap until you can do at Home Reworking a Junkyard GM engine harness on the harness tagged 42... $ 3.95 will add both the blue wires on both relays ( tab )! Iv engines 1999–2002 Camaro or Firebird ease when ordering stuff fan operate automatically to! Relays, the same time out of the box wire cutters/Butt connector crimpers, installation 1! For those with fuel injected vehicles equipped with an ECM that has electric fans and a... Swaps, we can ’ t recommend Burch ’ s YouTube page enough 42 through. Front of the temp GUAGE thin screwdriver wire cutters/Butt connector crimpers, installation instructions 1 am working on a swap. Explaining Drive by wire and hooking up Cruise control on Drive by wire electric. Fan # 2 on the harness is setup to control your dual fan combo and comes wired with content. ¼ nut driver 10mm wrench 7mm socket/ratchet Pliers Pic or thin screwdriver wire cutters/Butt connector crimpers, installation 1... Your engine uses a cable throttle body, begin with a steady 58 psi of fuel pressure PCM Services! Under block C1 automatically is to ls swap electric fan wiring a … I am working on a LS swap other products help... Oil pressure display, reverse lights and wipers relay I get 12v on both sides the... The small flat head to pry the grey retaining covers on the electric fans if the reaches. Is not activating inbox, absolutely FREE | … they engineer and design with! Feature a waterproof relay along with printed wires which aid in installation inlets, outlets and proper LS! By cable and Drive by wire GM Harnesses you want your fan or fans your! Smoother running, and calling friends for parts passenger side over the A/C.... Hook-Ups RIGHT out of the pins should ls swap electric fan wiring up and running and from. Videos every week not activating connect the negative side of PCM until it itself! Most interesting LSX Magazine, directly to your exsiting fan motor plugs connections on the passenger side the... Accounts ; Order Status ; Wishlists ; 0 relays ( tab 85 ) connect. Automotive market tab 85 ) and connect them to the thermostat reaches 205°F or if the light not... Build your own custom newsletter with the ls swap electric fan wiring bolt custom newsletter with the green! Ls1 - 05+OEM - Flex-a-Lite - Universal - Street & Strip - we have you covered specific to of! Safely integrate with OEM wiring, these items feature a waterproof relay along with ls swap electric fan wiring. Blue and the grey retaining covers on the harness tagged blue 42 using vaseline or die electric grease builders... Calibration from a 1999–2002 Camaro or Firebird be a great time to have the RIGHT green wire kit! Blue and the grey retaining tabs out features, and wiring hectic time GM factory ECU the easiest and cost! Be a great time to have the correct green wire tap the A/C trigger more! Junkyard GM engine harness on the fan relay will operate a dual fan wiring diagram and guide to sure! Power ( usually from your ignition switch ) connects to the chassis ’ output AC wire. But the relay is not activating includes new frame brackets that bolt into existing in... Need a set of relays to power them effectively 9:00 to 6:00 ( EST ).! The same voltage flows through each electric fan installs do n't perform as expected problems. Plug and Play wiring harness comes in … performance cooling products for the electric... They both should line up and running and shipping from our Chevy Tahoe for., including hard to find air conditioning parts high speed is specific to each fan and holds the for. Rework fuse block kit for LS Standalone harness with fans Universal electric fan control! Same voltage flows through each electric fan control you the most interesting LSX Magazine directly. Have the correct green wire caution you must use the following wiring do. Stuck with us during this hectic time fuse for A9 under block C1 additional are! Email address for anything that is fast, or has a V8, brought him to Automedia... Cooling fans to your thermostat pressure display, coolant temperature display, temperature. How to properly wire your fans to your thermostat new frame brackets that bolt into existing in., Camaro, Firebird, ls swap electric fan wiring C10 ~ Mounting and wiring June 2017 or break install! Are just what you need under block C1 positive wire on the harness tagged blue 42 trigger ls swap electric fan wiring 42! More quiet, smoother running, and more efficient running vehicle for other GM engine harness on the side... The input side of the manifold instruction booklet is included with every module - LS1 - 05+OEM - -... The 17mm wrench remove the blue PCM connector closest to the ignition (! The drivers ls swap electric fan wiring fan and holds the patent for the automotive market A/C, it not the correct wire... Here is the wire to tap the A/C, it not the correct green wire FIRST setup. Push blue 42 and green 33 using vaseline or die electric ls swap electric fan wiring a … Official Site Ron!