14/21 11a. If you've sacrificed those precious inches to a bigger engine, here's how to replace your fan with an electric alternative. Welcome to Part 3 of the LS swap in my 80 series Land Cruiser! As part of its Cooling system, the E30 uses a viscous fan setup, driven by a pulley from the front of the engine. Off: If activated, temperature at which this fan stage should de-activate. The 940 fan is the easiest to remove. The engines that the author refers to in his article are the 4.8, 5.3, 5.7 and 6.0 engines because they share the same platform and most parts with the actual 5.7 aluminum LS1 engines. The Gray with Green Strip goes to the FAN 2 relay. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? The port located on the driver side head, toward the front is the sensor for the computer (In the newer cars the computer sends the signal to the dash, in our cars it does not). The 2-speed Volvo fan and relays have become a popular swap. 3) Your temp gauge will fluctuate in stop & go traffic. Fans should come on around 185*-190* unless you have them programed to turn on at a lower temp (mine are set to come on at 165* because it's hot all the time here.) The LSx motors have a Temp Sensor (12mm x 1.5) on the front of the left cylinder head. LS engine using an adaptor. I'll continue to work with it but you got me headed in the right direction. Save Share. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. troller includes a data logging feature. This post is for strictly to tell you how I did it. #1. I have NO IDEA if this is at all helpful, but here's what GM says for its Crate Engine Controller documentation: "A cooling fan can be controlled by the ECM. The system also comes with stainless steel oxygen sensor bung(s), target AFR and timing control if desired, two fan control outputs, 5V tach output driver for most tachometers and a First check the fuse and see if it's bad. Reply. Your temp gauge will be steady when up to speed. ... 10 years LS Swap experience. Please verify length before ordering. Brand new LS3 swap (drive by wire) wiring harness for FRS/BRZ/86. LS fuel system swap guide for OBS 1988 to 1998 Chevy and GM K1500 / C1500 trucks This fuel system swap guide will show you all of the parts needed to successfully install an LS engine into your OBS (old body style) Chevy or GM pickup truck. Would like to see a little sooner. Upgrading to Gen III LS-Series PCM: Electric Fan Guide Gen III PCMs are powerful control modules but they are of little use without tuning software to change engine (and transmission) operating parameters. Before getting too far into a discussion of electric fans and PCM calibrations, it … 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. On the Holley wiring harness, you should find a 3-pin connector labeled INPUTS/OUTPUTS. A-Team Performance Electric Cooling Radiator Fan Relay Kit With Thermostat Installation Hardware Wiring Set 180 to 200 Degrees Temp Sensor Temperature Switch 40 Amp Relay 4.3 out of … One single temp switch instead of 2, just gotta drill and tap a brass adapter fitting to accept the M14 x1.5 thread. The primary request ran both fans in series at low speed and then the secondary request ran both in parallel at high speed. results for both a dual fan setup, or a Taurus 2 speed fan setup. Could be a bad fan switch or fan relay. LS swaps can get pretty pricey, but we found an article written by MeanYellowZ on LS1tech, that tells you how to do a LSx swap for cheap. Ignition Off Fan. While efficient, this arrangement takes up a lot of space; too much space if you've undertaken an engine swap to a larger lump. Comparing wire schematics between an LS-series engine and Vortec V-6 or Vortec V-8 engine reveals that the same IC circuit controlling ignition coil 1 on the LS-series engines is used to control the ignition control module (ICM) of the Vortec V-6 and Gen I small-block Vortec V-8 engines. Once I get help with the proper program to use, it safe to always have the fans at a higher speeds if I don’t mind the noise? Attach the tan/white wire to the sending unit. Make sure the FAN 2 temps are not out of whack. We’ll only be using the tan/white wire- the other two should be secured where they can’t short out. Thanks! The fan you need is from a 1990’s Volvo 740, 850 or 950 sedan or wagon. Several places sell adapters and/or sending units for the 12mm x 1.5 thread. What is the desired temp to be in while playing a heavy graphics game? All PSI Harnesses are Made in the USA. You need 2 temp switches for 2 speeds. Since every LS engine swap is a little different and there are lot of choices to be made, you can use this guide as a reference for ideas and part numbers as you move through the process. The GM harness has a lead for oil pressure with 3 wires. Like the game “Control” on Ultra settings. As for the transmission, swap kits exist for both stick shift and automatic options. There is a mirror port on the right rear with a plug in it. The fan override switch is indicated by the white arrow in our photograph. Solution = BMW 91 / 99* C (180/195*F) dual temp switch Part # 61311378073< $11 from Rock Auto - can't beat that. Transplanted from 2005 GTO. It is held in with (2) bolts at the top, and clips at the bottom. Even though we’re using an LS3 backed by a manual transmission, the same process follows for any swap project of this kind. If both fans are controlled by … The LS motors (Well, at least my 5.3, but I believe all) have 2 ports for coolant temp. LS Gauge Adapters 3/13 If you plan on running aftermarket gauges on an LS engine like oil pressure and water temperature, the easiest thing to do is … From the factory, the Gray with Black Stripe wire goes to the FAN 1 relay. Video 101: Basic Guide to LS Engine Swap Tuning Posted by David Fuller on September 23, 2014 at 3:03 pm In case you’ve missed any of our series of QuickFlicks videos on LS engine swaps , we’ve covered how to choose a camshaft , intake manifold , and cylinder heads for your swap. Most aftermarket gauges come with a 3/8NPT adapter. We have many other sizes in stock to fit your needs. LS Swap Guide by LSX Innovations INTRODUCTION. When a car manufacturer builds a vehicle with an electric fan, that fan is set to turn on at a specific temperature. Came on in the upper 190s. Every LS engine shares the same mounting position for both the engine and transmission, whether it’s the LS1 or the LS9. replace if so, Check the temp sensor that is … Made in USA with a start-up guarantee. Not a big deal, but noticeable when you change over to an electric fan. Unlike the Ford Taurus fan, the Volvo fan can be removed from the shroud. Good luck. Cooling fans in original car were controlled by the ECU in two modes via 3 relays. I'm pretty sure most LS setups have 2 fans where the primary fan is controlled by the ECM and the secondary fan is controlled by a fan switch. Here is a new post concerning the installation of the GM 05’ electric fans in 2003 & 2004 Silverado SS’s only. Disable Temp: Temperature at which the fans will switch off after ignition off; Run Time: Maximum Fan run time after ignition off if Disable Temp … 3 digit numbers for identification: 1 Bar: 039, 460, 883, 876, 153 2 Bar: 886, 012, 539, 609, 701 3 Bar: 749, 861 The logic module uses the manifold absolute pressure (MAP) sensor to determine the absolute pressure (not the relative to atmospheric pressure) of the air inside the intake manifold and the atmosphere (barometric pressure). 4) Not recommended for heavy duty vehicles. Cooled it down and then tried dropping the temps to 15% in that 192.2* frame but then the fan came on at start up. That's where A-Team's engine and transmission wiring harness comes in. I'm looking for a definite answer. (Volvo 940 Wagon) Control is set to turn on a 12 V fan at 100 Deg C (212 Deg F) coolant temperature. I am new to all this so if I’ve planted a boot in my mouth please forgive me. 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. If so, my bet is either the secondary fan switch or relay. popular LS v8s have the intake air temp sensor in the MAFS itself, so swap cars, we like to remove the Evap solenoid behind the throttle, open it up a little with a grinder or drill, and then RTV and hammer in the sensor with a dead blow, works awesome, right in the intake stream without being an obstruction. That's how I came up with that value. In an LS conversion you can use the fan leads that come out of the factory or any other engine controller to turn the fans on and off at the right time. Fan did not come on at start up. Member of the NorCal Brotherhood! Has a depth of .850 from the end of the adapter to the bottom of the pocket. What is the best and/or proper program to use for controlling the fan speed of my 5 fans? In a light vehicle cooling is not likely an issue, but towing in hot climates at low speeds is a bad deal with an electric fan. John, not so much what switch it use but where I can put it on an LS1.We have adapters for the OPS and the temp gauge but the cooling fan switch is a lot larger than any theaded hole in an LS . Then, inside the car, you’ll pull the tan/white wire from the GM bulkhead connector & No cores or modifications needed. Allows the use of aftermarket, or original coolant temp sensors on your LS engine. It’s not a forum to comment on how you would do it better, nor is it a post for any vehicles other than 03’ & 04’ SS’s. There are some mounts which allow for the stock LS air conditioning compressor to be kept … On: Temperature at which this fan stage should activate. Fan Stage 2. Engine LS2 with E40 ECU. FAN ON SWITCH Settings: Manual-On furnace fan: Push the white fan override button "IN" to set the fan to its MANUAL position to force the furnace blower to run continuously. This guide will assist you in making a seamless LS engine swap. Given a 180° thermostat (optional 170°F thermostat), I'd like to know what temperature an electric fan should be set to turn on. Most LSx swaps use the pass side port, as the PCM needs the driver's side sensor input. Yea Higgs! The Ultimate LS kit has a se-quential fuel and spark control with individual cylinder trim. Most fan controllers have an 'automatic' and 'manual or over-ride' toggle switch so you can either let the fan turn on/off by temp or you can manually turn the fan 'on' but when in manual position it won't turn it 'off' if the temp is high and you wire the relay as per the instructions were is … Check those temperature settings closely. All you have to do is type “ls swap mounts” into google to see what I mean. 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