Part of my Spring start up procedure includes testing both fans just so I know the secondary fan still works! The radiator probe that comes with the kit is garbage. The controller you have must be able to read a 37k thermistor in order to be compatible with this thermostat. This is a YOUTUBE video on a Derale PWM fan controller that had problems and was sent back to the vendor. Fan high relay Connect to the white wire on the high fan relay assembly (for single fan applications leave unconnected) 2. 10AWG for 60A under the hood of a car is too small unless the run is super short. Sorry to hear you are having the problems that you are with your e-fan controller. This newly redesigned adjustable electric fan thermostat kit is designed to activate up to 2 fans with a total maximum draw of 25 amps. 2.8 out of 5 stars 26 ratings. The #1 fan would not turn on and the #2 fan would come on immediately as soon as the car was started no matter what temperature. Would buy more products from them if I needed them! Has a nice steady ramp up of the fan and same on the slowing down of the fan. Find Derale Cooling Products 16759 Derale Deluxe Adjustable Fan Controllers with Radiator Probes and get Free Shipping on Orders Over $99 at Summit Racing! By the time you do all of this, hunting down the right switch, getting a relay, a fuse holder, wiring, etc., you’ve almost exceeded the cost of a Derale Thermostatic Fan Controller. Is EASY to adjust the desired temp range and … Derale 16759 Adjustable Fan Controller in Electric Controls. We spent many hours on research to finding 16789 derale cooling fan controller, reading product features, product specifications for this guide. I have used this fan controller (part number 16749) in conjunction with Derale's 16926 High Output fan on a 64 1/2 and 66 coupes. Really, the only troubleshooting you can do is replace the relay and fuse. I eventually switched it out for a variable speed controller (uses pulse width modulation to vary fan speed), but not because I didn't like the Derale. I have used a Derale fan controller in my 06 LJ Rubicon and it is a great unit. Therefore I cannot confirm fit on specific applications. 1801 Waters Ridge Drive, Lewisville, TX 75057 . Fan 2 (+) Fan 1 (+) HOW IT WORKS The Derale High Amperage Adjustable Dual Fan Controller is designed to operate two electric fans at different activating temperatures. Fan low relay Connect to the white wire on the low fan relay assembly . Derale 16795 PWM Fan Controller Brand: Derale. I also found Proform 69596 which seems like a nice unit as well but not sure if you can activate fans when AC is on. The PWM works on what Derale calls slow start technology, in which the current that goes to the fan motors is not a blast of current, rather it arrives in a controlled manner from the PWM. Was going to exchange it for another one when I saw the Derale PWM controller 16795. Notice that the Derale contollers have PVC wire extruding out of their chassis. Copyright 2020 Standard Motor Products, Inc., Designed & Developed by Multimedia Solutions Flex-a-lite invented the Flex Fan and holds the patent for the first electric fan for the automotive aftermarket. Note the 8AWG power wires and the two fans sensor wires. And they are very reliable. For these prices just seems like a no brainer as it's really simple to setup and use with single, dual fans and AC. Enhance your engine's performance with a Derale PWM adjustable fan controller kit. Enhance your engine's performance with a Derale PWM adjustable fan controller kit. Hey guys anyone using an aftermarket PWM fan controller such as Derale 16795 $150, Hayden 3655 $85, Autocool 85 $175? Derale Performance has taken the concept of a thermal fan clutch and an electric fan controller and combined their individual features into one controller box. This Derale transmission cooler thermostat comes standard with -6an male and female threads and includes 3/8″ barb fittings as well for those running rubber transmission lines. Never worked right and then just stopped working. Derale Performance, Los Angeles, CA 800.421.6288 www.derale.com INSTALLATION INSTRUCTIONS SINGLE STAGE ELECTRIC FAN THERMOSTAT PART # 16735 (Continues on reverse side) KIT CONTENTS QTY. See more about Derale in-line fan control switches in the video below. Everything worked fine for day or so. The probe/sender is in an aluminum adapter spliced into the lower hose, probably 4-5 inches from the actual radiator outlet. DESCRIPTION 1 Thermostat Switch 1 Relay Wire Harness 1 3/8” NPT Thread-in Probe 1 Push-in Probe 1 1 x 1 Foam Pad Derale adjustable electric fan controllers with push-in radiator probes are designed to activate up to two fans with a total maximum draw of 25 amps. The controller itself is an excellent easy to wire and understand piece. Then Derale came out with the one you see in your picture because of all the problems the negative switch design had. I'm guessing maybe I should have. 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. 16789 derale cooling fan controller coming in a variety of types but also different price range. 05-10-2017, 01:02 AM #2 Rather than cut the heat shrink insulation off yet ANOTHER set of ring terminals, and replace it with thin wall heat shrink tubing, I had the room to retain the insulation and use the ring terminals as-is. Derale is dedicated to providing the highest quality products and everyday value in the most complete performance cooling line in the industry. And we proudly make our products in the U.S. It has performed well, but I've learned the hard way that you need to ensure that your electrical system must be extremely well grounded. DESCRIPTION 2 Blue Butt Connectors Don't waste your time with it and buy the screw in derale probe that samples directly from the … With the fin probe, the actual fan kick-on temps were around 230 degrees (per the ECT reading watching TunerPro) even though the voltage setting on the controller should have kicked the fan on at 198 degrees (or as close as I could get it). Like the thermal fan clutch, the PWM will keep the fan spinning, even when the temperature isn’t at the highest setting. I'll definitely install that relay board now, no matter if the next controller I get has a soft start feature or not. derale fan controller problems Modified Tech Discussion NAXJA Forums -::- North American XJ Association > NAXJA Unibody Jeep Technical Forums > Jeep Cherokee XJ (1984 - 2001) > Modified Tech Discussion: derale fan controller problems User Name: Remember Me? Fan #2 will activate once the vehicle water temperature increases by 15°F. 16779-InstructionSheet Derale Performance, Los Angeles, CA 800.421.6288 www.derale.com INSTALLATION INSTRUCTIONS ADJUSTABLE SINGLE ELECTRIC FAN CONTROLLER I installed the 16795 controller and it seemed to work ok after several tests idling the car up to temp and with the A/C. Utilizing cutting-edge technology, these Derale Performance fan controllers constantly adjust fan speed to keep the desired engine temperature that can be preset. The new one is positively switched. Performance cooling products for the automotive market. That Derale controller is peeking my interest right now. So I removed my mechanical fan and installed a spal 16" puller with a derale 16759 fan controller. I spoke to my contact at Derale about the Derale Replacement Push-In Probe for Adjustable Fan-Control Thermostat part # D16760 and they informed me that the cord is 18" long. 3. Currently unavailable. The Derale Adjustable Fan-Control Thermostat with Thread-In Probe part # D16749 as you pointed out is a universal fan controller. I'm using a Mark VIII fan and I know it has a pretty big amp draw on initial startup but I thought the controller could handle it. Find Derale Cooling Products 16795 Derale PWM Adjustable Fan Controller Kits and get Free Shipping on Orders Over $99 at Summit Racing! Yeah, I've had two fan controllers go bad. The controller varies the fan’s speed and the electric fan motor duty cycle. When I accidentally re-wires it backwards the tech support people responded quickly to my emails and helped me troubleshoot. Derale Fan Water Pump Controller; Design of Ham Vacuum Tube Transmitters; Detuning Towers; Dielectric Grease vs Conductive Grease; Distributor Stabbing and Operation; Diversity reception and transmission, stereo diversity receiver, and antenna polarization; Drake ICOM Yaesu receiver dynamic range measurement; EBS-1 repair; Echelon-Log Beverages Legal | Privacy. With a 400hp SBO, I don't think the second fan ever needs to run. Pictured below is the Derale 16795 PWM fan controller completely wired up. I too am having fan issues with my Flex-a-lite 295 control system. Contact . One of the most common transmission fluid thermostats is the Derale 13021 fan controller. Your fan(s) should then be on everytime the ACC circuit is … I also had their older style controller, which I thought was junk. Replaced it and it worked fine for a little while before blowing again. Mark VIII fan. Derale Performance has a product that can help take that initial shock out of your cooling fan’s electrical load with its PWM Electric Fan Controller. Even sitting in traffic on Power Tour in 95* heat. Fan #1 is designed to activate at the desired adjusted temperature (150 -240°F). The Auto Cool Guy gets. a lot of calls and emails on the Derale controllers failures! Derale Performance, Los Angeles, CA 800.421.6288 www.derale.com INSTALLATION INSTRUCTIONS ADJUSTABLE ELECTRIC FAN CONTROLLER PART # 16749 KIT CONTENTS QTY. “It’s signal driven by the temperature and keeps the speed varied,” says Derale’s Troy Wood. Derale makes mounting and controlling your electric cooling fan easy with a variety of controllers, thermostats, and mounting accessories to work with your vehicles cooling system. Using the Derale shroud mount controller (same as mine but mounts to their shroud) as an example, 10AWG would be fine from the fan(s) to the controller because they're at most 1.5-2' long, and even their dual fans pull less than 50A. Derale 16789 High Amperage Dual Fan Controller with 3/8" NPT Thread In Probe It is available all over the net, with some horror stories. If the fans still don't kick on, wire splice the orange (and maybe blue) wire with the 12V ACC circuit that feeds the yellow wire. The terminal strip on this unit has 7 connections: 1. Controller is not designed for engine compartment mounting. Find Derale PWM Adjustable Fan Controller Kits 16795 and get Free Shipping on Orders Over $99 at Summit Racing! Red Wire 3 #10 Sheet Metal Screws QTY. For those of you who wish to the best 16789 derale cooling fan controller, you should not miss this article. Bought this controller for a Derale dual shrouded fan setup. ... but it hasn't caused any battery problems as of yet. 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