Yeah I realize that, that's why we fool that aswell. Result: The gauge value of the fuel pressure is within 69 kPa (10 psi) of the unfiltered fuel pressure reading shown in Cat ET.Proceed to Test Step 3. Resistor also has a habit of the wire breaking right off of the end of the resistor its self. The ECM adjust fuel flow from 89*F to 158*F fuel temperature. I would guess that what they are doing is putting a resistor or two in those pigtails to fool the ECM to alter the fueling and boost control. FUEL TEMPERATURE SENSOR. Cat doesn't put resistors in line for their sensors. ... CATERPILLAR FUEL TEMP SENSOR POWER HARNESS 2WS 6NZ 7CZ MBN BXS & EARLY MXS. Which lead would be the one that the resistor would work the best on in a 3 wire system and should it go to ground or a common? If You Are looking for more power at highway speeds, then this is the harness you need! 150 in the fuel temp and just a "smoke wire" in the map. Ratso's Fab Shop has them for sale. It definitely has better response with the map fooled but there isn't any actual power there, the ecm doesn't change parameters past 15psi. The filters you want to run are 1R-0749 and 256-8753. If you feel a difference in roughness with the resistor in place, the added fuel is most likely exaggerating another problem. 8 watching. Typically the single turbo cab gain about 75 horse power 150 ft lbs of torque. Thats what I put on my bxs and there is a noticeable differance. Has Pitts power manifold and a 600 cat turbo. Post your own topics and reply to existing threads to help others out! The idea is to put resistance in the fuel temp and boost sensors wiring to trick the ecm into a little more fuel and faster fuel. catman I have a 3406 E with a 3 wire fuel sensor. When I de-tuned the 6nz with a 2 wire fuel temp sensor I took a resistor off one lead that was rerouted to ground. Has anyone got any experience or heard any feedback on this product? The site is fully functional and ad free. There are 2 harnesses, one is for fuel temp, the other is for boost, can get them both for under $100.00 on eBay. I've done all my own work on my trucks for the last 30 years. Caterpillar Engine, Temperature and Pressure Sensor. 07,F-250 4X4 6.0 Torqshift, Lariat, Highline package, S/C LWB. Spools up much faster now, seems to pull a little better also. I asked what the ECM does with fuel temp info and no one knew at the diesel page or place a long time ago. The idea is to put resistance in the fuel temp and boost sensors wiring to trick the ecm into a little more fuel and faster fuel. Adjustable Boost & fuel Caterpillar Cat Power wire harness Turbo C15 3406 . where did you find the shop and what did it cost you. Replace the pressure sensor. For the oil filter you want 1R-1808. 2002 F-350 SC SRW long bed 4X4 7.3 PSD Auto, Island blue, 38 Chev sedan delivery all steel, 350, TH400,A-C PW PS PDB, Yellow, I understand that it is part of the optical sensor in the top of the pump and that the ECM monitors the fuel temperature. I have a friend with one, pretty much just extra smoke, no mileage gain, you can find the harness on eBay way cheaper than anywhere else. Come join the discussion about PowerStrokes, performance, modifications, troubleshooting, towing capacity, maintenance, and more! So where do you put that inline resistor instead of buying one of these things? There are 2 harnesses, one is for fuel temp, the other is for boost, can get them both for under $100.00 on eBay. Yeah I realize that, that's why we fool that aswell. New fuel filters , new fuel regulator , new egt gauge and probe. $125.00. Note: The inlet fuel temperature to the fuel transfer pump must not exceed 79 °C (175 °F) when the engine has reached normal operating temperature. It is suppose to plug in between the computer and the main harness to modify the signals from the computer to call up more fuel. The big rigs all run them. What ohm resistor do you use for the fuel temp? Twin Turbo Acers gain about 80 HP and 200 ft lbs of torque. And what have you tried to do for the boost? You must log in or register to reply here. If you can keep the fuel in the tank 89*F or lower the more power gain you can realise using one of these wires. Every now and then can here a miss at wide open throttle.it also has the resistor on fuel temp … Free shipping . TIA, 02 F250 CC 4X4 Lariat, AIH mod, diy-modded intake, diy-modded ccv, pre-pump, DP-Tuner- stock,econ,120; SS-HX, Sonnax-Tric., GDS hi-flo outlet,4" turbo-back,plugged pedestal,cross-connect kit, 1.0 ATS ex.housing. Fuel temperatures above 79 °C (175 °F) will reduce the life of the fuel transfer pump check valves. Though, if you ran a fuel cooler in the summer, that will help in power and help let the injectors live longer. On the fuel temp wire use a 1/2 watt 150 ohm resistor. Haven't heard of it.. What is it supposed to do, replace the stock harness?? FAST 'N FREE. Welcome! 2002 F-350 SC SRW long bed 4X4 7.3 PSD Auto, Island blue. The turbo harness works mainly on acceleration and some at highway speeds. With I read a little about it on Drivers round table forums. QUESTION: What Models are supported? NO ADS! For fuel, single turbo’s gain about .75 to 1 mpg. Go ahead and register, and make yourself at home! ANSWER: CAT Engines vary alot within and out of models. JavaScript is disabled. It is used on the 3406Es. The way you're doing the fuel temp mod should work without any problems, if it was creating a problem you'd have a CEL also. Cat doesn't put resistors in line for their sensors. I've done all my own work on my trucks for the last 30 years. 00'F350 psd CC Drw 2wd Bright Amber Western Hauler, exhaust brake transfer flow 50 gal tank tool, 30K Cody goose neck hitch, hawk pads, cryo'ed rotors, stainless lines, 380,000 miles. It definitely has better response with the map fooled but there isn't any actual power there, the ecm doesn't change parameters past 15psi. 36 watching. ... there is a resistor in the wire to cause the sensor to send an altered signal to the computer, thereby fooling it into sending more or less fuel to the injectors. On a c15 the fuel temperature sensor is located on the primary fuel filter head on the drivers side of the engine. Fuel temperatures above 79 °C (175 °F) will reduce the life of the fuel transfer pump check valves. 99 & up 7.3L Power Stroke Engine & Drivetrain, 99 & up Upgrades and Aftermarket - 7.3L Engine, 7.3L IDI Diesels (Not Powerstrokes) 1988-1993, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. I'm very familiar with arrangement numbers etc. For the oil filter you want 1R-1808. ... catman I have a 3406 E with a 3 wire fuel sensor. And what have you tried to do for the boost? Result: The gauge value of the fuel pressure is not within 69 kPa (10 psi) of the unfiltered fuel pressure reading shown in Cat ET. 150 in the fuel temp and just a "smoke wire" in the map. For a better experience, please enable JavaScript in your browser before proceeding. I have an 2002 C-15 (550 hp) with the two wire fuel temp sending unit and I used the 150ohm (1/8 watt) resistor with great results. I'm very familiar with arrangement numbers etc. Hotter fuel is less dense and carries less BTU's per gallon, so CAT wants no power loss as the fuel temperature rises. We have tons of knowledge here for your diesel truck! Jim did say that it will code at some pretty high temp like. ... CATERPILLAR FUEL TEMP SENSOR POWER HARNESS 2WS 6NZ 7CZ MBN BXS & EARLY MXS ... Free shipping . The filters you want to run are 1R-0749 and 256-8753. Will work on 1993 and newer C15 and C16 engines. Caterpillar fuel harness more HP Cat power wire harness C15 For 1993 & Up CAT. , temperature, fuel Level, Speed, Position, and make yourself home... The map caterpillar cat power wire harness C15 for 1993 & up cat is less dense and carries less 's... And Oxygen S/C LWB 2 wire fuel temp sensor on my 95 doing... 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