On: Temperature at which this fan stage should activate. The GM harness has a lead for oil pressure with 3 wires. 4) Not recommended for heavy duty vehicles. I am new to all this so if I’ve planted a boot in my mouth please forgive me. Make sure the FAN 2 temps are not out of whack. 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. Solution = BMW 91 / 99* C (180/195*F) dual temp switch Part # 61311378073< $11 from Rock Auto - can't beat that. 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. Came on in the upper 190s. 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. It is held in with (2) bolts at the top, and clips at the bottom. Several places sell adapters and/or sending units for the 12mm x 1.5 thread. The 2-speed Volvo fan and relays have become a popular swap. results for both a dual fan setup, or a Taurus 2 speed fan setup. Cooling fans in original car were controlled by the ECU in two modes via 3 relays. The LSx motors have a Temp Sensor (12mm x 1.5) on the front of the left cylinder head. 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 Good luck. One single temp switch instead of 2, just gotta drill and tap a brass adapter fitting to accept the M14 x1.5 thread. All PSI Harnesses are Made in the USA. Fan did not come on at start up. 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 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. Transplanted from 2005 GTO. This guide will assist you in making a seamless LS engine swap. I'm looking for a definite answer. (Volvo 940 Wagon) Even though we’re using an LS3 backed by a manual transmission, the same process follows for any swap project of this kind. Member of the NorCal Brotherhood! Has a depth of .850 from the end of the adapter to the bottom of the pocket. 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 … replace if so, Check the temp sensor that is … This post is for strictly to tell you how I did it. 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. While efficient, this arrangement takes up a lot of space; too much space if you've undertaken an engine swap to a larger lump. 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 … Yea Higgs! Given a 180° thermostat (optional 170°F thermostat), I'd like to know what temperature an electric fan should be set to turn on. When a car manufacturer builds a vehicle with an electric fan, that fan is set to turn on at a specific temperature. If both fans are controlled by … First check the fuse and see if it's bad. What is the desired temp to be in while playing a heavy graphics game? The fan override switch is indicated by the white arrow in our photograph. Like the game “Control” on Ultra settings. As for the transmission, swap kits exist for both stick shift and automatic options. That's how I came up with that value. Most aftermarket gauges come with a 3/8NPT adapter. ... 10 years LS Swap experience. 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 . 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. Every LS engine shares the same mounting position for both the engine and transmission, whether it’s the LS1 or the LS9. LS Swap Guide by LSX Innovations INTRODUCTION. No cores or modifications needed. 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. All you have to do is type “ls swap mounts” into google to see what I mean. Thanks! 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. For a c10 swap there are a couple things to consider when choosing the right mounts for you. 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 … 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. We have many other sizes in stock to fit your needs. Unlike the Ford Taurus fan, the Volvo fan can be removed from the shroud. Allows the use of aftermarket, or original coolant temp sensors on your LS engine. 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. The primary request ran both fans in series at low speed and then the secondary request ran both in parallel at high speed. We’ll only be using the tan/white wire- the other two should be secured where they can’t short out. Made in USA with a start-up guarantee. What is the best and/or proper program to use for controlling the fan speed of my 5 fans? 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). You need 2 temp switches for 2 speeds. Before getting too far into a discussion of electric fans and PCM calibrations, it … 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. 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? If so, my bet is either the secondary fan switch or relay. Please verify length before ordering. 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. The 940 fan is the easiest to remove. 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). There are some mounts which allow for the stock LS air conditioning compressor to be kept … That's where A-Team's engine and transmission wiring harness comes in. Could be a bad fan switch or fan relay. As part of its Cooling system, the E30 uses a viscous fan setup, driven by a pulley from the front of the engine. The LS motors (Well, at least my 5.3, but I believe all) have 2 ports for coolant temp. 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 … Here is a new post concerning the installation of the GM 05’ electric fans in 2003 & 2004 Silverado SS’s only. Not a big deal, but noticeable when you change over to an electric fan. LS engine using an adaptor. Save Share. 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. 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. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. Off: If activated, temperature at which this fan stage should de-activate. 3) Your temp gauge will fluctuate in stop & go traffic. Most LSx swaps use the pass side port, as the PCM needs the driver's side sensor input. Welcome to Part 3 of the LS swap in my 80 series Land Cruiser! The Ultimate LS kit has a se-quential fuel and spark control with individual cylinder trim. 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. The Gray with Green Strip goes to the FAN 2 relay. Brand new LS3 swap (drive by wire) wiring harness for FRS/BRZ/86. On the Holley wiring harness, you should find a 3-pin connector labeled INPUTS/OUTPUTS. Engine LS2 with E40 ECU. If you've sacrificed those precious inches to a bigger engine, here's how to replace your fan with an electric alternative. 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. 14/21 11a. There is a mirror port on the right rear with a plug in 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. I'll continue to work with it but you got me headed in the right direction. Reply. Control is set to turn on a 12 V fan at 100 Deg C (212 Deg F) coolant temperature. Then, inside the car, you’ll pull the tan/white wire from the GM bulkhead connector & Would like to see a little sooner. troller includes a data logging feature. Ignition Off Fan. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? #1. The fan you need is from a 1990’s Volvo 740, 850 or 950 sedan or wagon. Your temp gauge will be steady when up to speed. 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