FRH fan relay and harness for standard Spal fans. Power draw: The more powerful a fan is, the more current it will draw from your vehicle’s electrical system. The stock upper shroud was cut straight across just in front of the radiator mounts. The calculator recommend a battery with ~ 200 AH, which is still over 100 lbs of weight. This relay can also be used when high demand amperage dual electric fans are installed using one switching device. We are currently up and running and shipping from our new location. that is like turning the headlights on, Compatible with the following vehicles. Wiring Dual Cooling Fans. Same Price.   Ready to ship! One relay and harness per fan is required for all fans that draw over 10 amps. BatteryStuff Tech 17 watts / 12.5 volts = 1.36 amps. All this equals years of trouble free operation and give you, the customer, piece of mind in knowing you have purchased the absolute best product available for your application. The 05+OEM Tahoe/Silverado fans pulls abit more, usually 25-30 at start up and 18-25 during operation. A rule of thumb is that on high speed most motors will run 70-100% of the FLA if it is moving the required 400 CFM per ton that matches the cooling rating of that air handler. With dual cooling fans, there are two methods for wiring up the relay kit. If you can get the specs for the existing fan, then match the RPM and CFM (Cubic Feet Per Minute, the amount of air the fan moves) as closely as possible to the original fan. 98-2002 Camaro (submodel: Z28, Z28 SS). SPAL® electric fan relay wiring kits and relays are designed to automatically turn on your SPAL electric fan when the air conditioning is turned on. We are currently updating the site and mobile users that may be having issues seeing the pay-pal buttons. Lastly verify that the current draw (amperage) is either … Our most popular, this 17" High Output Single RAD fan is a self-shrouded, symmetrical design with four molded mounting points. 9 of these lights will pull 12.24 amps per hour. GEN 3 HARNESS  - LT1 - LS1 - 05+OEM - Flex-a-Lite - Universal - Street & Strip - will this work? We EXCLUSIVELY use OEM Delphi and Delco weather pack connectors, trigger pins, plugs, and the heaviest duty, highest amp rating(40/60a duty) Automotive relays available. The total amp draw is 86 amps, which pulls the voltage down to 11.5 V. Unfortunately, now the electric fan is operating below its potential, contributing to an overheating problem. Also included is an easy-to-follow wiring diagram. The plan is to keep the wiring simple. Heavy Duty Flex Fans. Find out what amperage the fans pull when turning on. You will need to order from pc, laptop at your convenience or we can send an invoice by email. 10 Gauge Grounds Make sure your electrical system can handle the addition of an electric fan. 8. The upper fan shroud was cut straight across the top, retaining the radiator mounts and just behind the raised section for the stock fan. Check the amp draw against the manufacturer's fan performance data to verify the airflow that the fan is producing. THANK YOU to all that stuck with us during this hectic time. Specializing in GM Trucks and SUV Electric Fan Conversions for Regardless, the loaded reading should be no more than 4A more than the unloaded reading. The shroud is great compared to my previous setup. I'm almost done wiring in my Holley HP EFI on a LS1 single turbo application. Amperage . Radiator, Crossflow, Aluminum, Natural, Dual Fan, 10.4 amp Draw Per Fan, Buick, Chevy, GMC, Olds, Pontiac, Kit. Size your fuse for the amperage draw when they turn on otherwise you'll be popping fuses like mad. Looking for recommendations on how to clean it up and … Therefore, the fan will work harder and the amp draw will be higher than it would be under normal operating conditions. Jim Instead they will be on whenever the AC is requested. Today’s story is far more taxing. i have the dual ls1 fans and am about to wire each fan to a seperate toggle switch through seperate 30 amp inline fuses. The fans fit very nicely horizontally, but the shroud was a little tall.I cut the fans shroud down to the top of the upper most fan. Improved Fuse Holders Design Dual fan Type Radiator Fan. If I map amp draw vs CFM through a range of back pressures in the lab, can I then use that data to determine CFM in real-world applications by measuring amp draw? With a cooling fan, the greater the airflow, the better that fan's ability to cool a radiator. FRH-HO-K fan relay and harness for HO series fans During AC operation and running at 60% they only draw 10.6 amps. Low voltage … The voltage needs to be the same. Together they might create a 30-amp draw. Have issues ordering mobile? Read the amp draw of the blower motor. Description. The fan draws 19.5 amps and includes a control module for adjustable temperature setting and … The Flex-a-fit radiator is for Jeep CJs with LS engine swaps, and it includes a fully shrouded 15-inch Flex-a-lite electric fan that moves 3,000 cfm, pre-mounted to the radiator from the factory. Silverado/Sierra/Yukon/Denali/Tahoe/ Suburban/Escalade Here at Ls1Fans we strive to build the absolute best products available and to provide the best customer service backed by the best warranty in the industry. After start-up however, the amperage sits somewhere between 6-9 amps. thanks. Amperage used to measure how much load an electrical device draws when in operation. Right Fan (Pass. At 10.0 volts the current draw went to 0.11A At 12.0 volts the current draw went to 0.13A At 13.0 volts the current draw went to 0.14A and at 14 volts the current needed was 0.15A Any switch rated at 1A or higher can switch two of these relays on or off with room to spare. This relay is rated at a stout 150 Amps providing plenty of output for your high demand cooling fans. Welome to Ls1Fans.com! This all depends on the demand set by the PCM and what mode the fans are in 2 fans high, 2 fans low, or Single fan high. Looking for recommendations on how to get it work with the Holley HP. Dual Powerpacks; Single Powerpacks; Triple Powerpacks ... Tornado; Direct Fit; Fan Controllers. My Flex-a-lite 210s pull 20 amps when operating and near 30 amps when turning on, so I use a 30 amp fuse. This will always be higher than the operating amperage. This will eliminate the fans cycling with the clutch. Attached with 3/16" aluminum pop rivets, backing washers, and finished with press-in caps.It is now a one piece direct bolt-in. The fans fit very nicely horizontally, but the shroud was a little tall. Check the amp draw against the manufacturer's fan performance data to verify the airflow that the fan is producing. You can pull up and hear the fans suck air through the radiator. Record the reading and compare it to the FLA listed on the motor. A complete installation instruction booklet is included with every module. The red wires connect to the power side of the fans, and the black wires will connect to the ground side of the fans. All this equals years of trouble free operation and give you, the customer, piece of mind in knowing you have purchased the absolute best product available for your application. For example, an average ceiling fan set on low speed uses about 0.25 amp, on medium speed about 0.4 amp, and on high speed about 0.6 amp. Sorry for this inconvenience. 98 Corvette Indianapolis 500 Pace Car. running 8 hours is a total of 97.92 amps. Controllers; PWM Controllers; Belt Driven Fans. It currently uses a Racetronix harness with three relays to run it off the stock computer. much, much, debate i have found on this, well i have a 78 440 and it had a 12 lb fan on it till i swap it out with an electric fan now many people will say that you are just pullin more amps from the alt so no gain is ther, WRONG, the fan i have pulls 2100cfm, more that any clutch fan at idle and only pulls 9.96 amps, that should only be 1hp on the alt. Fan Relay Harness - FRH quantity Add to cart Categories: Fan Accessories , Spal Electric Fans , Thermal Fan Switch Tags: 40 amp , fan relay harness , relay If you are not happy, neither are we. Thank you for checking us out! Motivated by a 2-speed 265 watt Bosch motor driving 11 patented skewed blades, each includes a patented ratchet mounting system for a professional installation. We also actually use the products ourselves, 100% built for truckers, by truckers. The electric fan has a low energy draw of just 15 to 17 amps, so the additional load on your alternator isn’t going to cost much in the way of lost horsepower. 6. No suit and tie CEO's here. Is the amp draw of a given fan consistently proportional to the CFM being moved? Slots were cut on the inside of the lower lip for inserting 1/8"x 1"x 2 1/4" aluminum tabs, that are attached with 3/16 aluminum poprivets.These re-use the stock lower shroud mounting.Total investment: $170 - Time to complete aprox. side) White = Positive , Black = NegativeFor the AC I tapped the light blue AC request wire , from the high pressure switch on the back of the compressor. Electric Fans. Adjustable Controllers; Replacement Probes; Single Stage Controllers; High Amp. Send us an email here! Always size your wire and it's length to the current demands. Activated by the thermosat switch, air conditioning, or a manual switch in the cab.I used this adjustable variable speed electric fan control- Flex-a-lite's Variable Speed ControlLeft fan (Drivers side) Light blue = Positive , Gray = Negative The connectors provided with the kit fit the popular General Motors LT1/LS1 dual fan assembly. Automotive fans are rated at 13.5 volts, and the rating is after the motor is at operating RPM. These fans run together draw 57 amps for a split second on start-up, then continuously draw 13.6 amps while running at 100%. We EXCLUSIVELY use OEM Delphi and Delco weather pack connectors, trigger pins, plugs, and the heaviest duty, highest amp rating(40/ 60a duty) Automotive relays available. I want to wire them to a switch till i get the PCM issue fixed. Part Number: GRI-CU-00010 We have you covered. I had the Derale Fans hooked up to the stock computer when the car still was running the stock ECM. 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