E38 tach output

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August undefined, 2024

WebMay 9, 2014 · I have a E38, 07 vette package, the tach output is set at crank. resolution is 15 high and low. Should I -T- a 10kohm resistor into my tach input in this case? 10 kohm may be too high. Have seen some intermittent on/off tacho readings with 10k's when the electrical system is more heavily loaded by lights etc but then it depends on the tacho ... WebOct 21, 2024 · Tried connecting speedo directly to VSS output without success. Both the VSS wires have approx. 2.5 volts when checked with a multimeter with engine running and wheel raised and rotating. This value does not change when wheel speed is varied which does not make sense to me as I can see the speed vary in the HP Tuners scanner.

Tach pull up resistor only some E67 cals - forum.efilive.com

WebJun 28, 2024 · My LS3 E38 ECM has a tach output on pin 48. I understand the output pulses are same as a 4 cylinder, in other words two revolution per pulse. Now comes my 2003 Boxster OEM tachometer that until now has been working with the Porsche 6-cylinder whatever pulses. Not to worry, I am out ahead of the problem. I bought a tach adapt … WebI have a MSD 6A/ 6AL ignition module in my car does it have a tach signal I can hook to my control box? Yes, on one end of the MSD ignition module will be an output marked “TACH OUTPUT”. Route a wire from there to … citizen ny0040 09ee promaster automatic

GEN IV E38 Tach Settings for aftermarket tach …

http://forums.pelicanparts.com/porsche-engine-conversion-tech-forum/1121777-tachometer-riddle.html WebTrue plugin solution. TRUE plugin solution for the Corvette C6, no need to wire in, just replace the stock ECU and get instant access to the LS engine and the advanced vehicle features available. 6.0L, 6.2L, 7.0L (V8) GM … WebTachometer 1. White wire. ECU controlled tachometer output signal. A. Supplies Engine speed (RPM) Signal to tachometer B. Most LSx engine computers will output a 4 … citizen oath ceremony schedule 2021

Tach Output Adjustments - Holley Performance Products Forums

E38 and aftermarket speedometer settings - forum.efilive.com

WebHP TUNERS TACH ACTIVATION Using HP Tuners, open the VCM Editor, go to Engine/General and locate the Tach Output. Change Type to Crank, Resolution-High to … WebOct 31, 2015 · LS3 E38 Tach Weirdness. « on: October 18, 2015, 04:47:33 PM ». I've got a bit of an odd issue with my Tach output from my ecu. It's an E38 ECM and tune and … citizen oake washingtonWebMay 17, 2024 · There is a single signal wire going from ECM X1 pin 57 like everyone says to do. I've tried basically every combination of settings within reason on the bottom 6 setting boxes. Searching has turned up very little. 2010 Camaro L99 E38 with 6L t43, all stock engine and trans. Aftermarket harness and wiring and pins have been verified. dicicco\\u0027s downtown abbey

"WebThe GM E38 ECM is capable of outputting both tach and vehicle speed signals, but this information is not required for other modules in the Camaro and some Silverado/Sierra trucks. In these cases plugs were installed … " - E38 tach output

E38 tach output

Tach pull up resistor only some E67 cals - forum.efilive.com

WebJan 30, 2024 · I suppose it is possible to adjust the parameters in the ecm to get it to output the correct frequency for the toyota tach ,but since i already had the DD box installed I just went with it. I am also concluding that without the DD box you would need to use the pull up resistor to boost the signal. I did not verify this though WebJun 28, 2024 · My LS3 E38 ECM has a tach output on pin 48. I understand the output pulses are same as a 4 cylinder, in other words two revolution per pulse. Now comes my …

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WebOct 21, 2024 · The issue I am having is sourcing a usable signal from the engine ECU to power the speedometer in the stock Rodeo dash. I have found some info through HP … WebLS3/L99 4th Generation using E38 PCM . Universal / Standalone Swap Harness. Super simple chassis connections - no OEM fuseboxes needed. Ignition, Fuel Pump & Gauges - a handful of labeled wires for you to connect. ... CAN -> Tachometer Output ; SUPPORTED ENGINES: GM 6.2 LITER LS3 ENGINES USING DRIVE BY WIRE / ELECTRONIC …

WebOct 13, 2024 · In the E38 example above, 58 teeth / 2 desired pulses= 29. We have to as evenly as possible split this value to get the proper number of pulses. In his case, 14/15 worked perfectly. The numbers for 6 and 8 cylinder tachs are 19.33 and 14.5, so there is no way to evenly split them in whole numbers. WebDec 20, 2014 · In all of the e67 's that we have used J1-25 is the tach output. If you just add a pin next to it (j1-24 ) connect the two and connect to your tach all is good. there is a built in pullup resistor in the ecu connected to that pin. Steve December 20th, 2014 #3 95wagon Junior Member Join Date Dec 2008 Posts 10 Originally Posted by efiharness

WebAug 5, 2015 · Correct HPTuners tach settings for E38 ecm with 58x crank sensor. Tach Output = Crank Resolution - High =14 Resolution - Low =15 This will make the ECM output the correct frequency for a 2 pulse per revolution tach. The Duty cycle of the frequency … WebOct 31, 2015 · I've got a bit of an odd issue with my Tach output from my ecu. It's an E38 ECM and tune and harness from PSI conversions. Engine is a stock GMPP LS3 longblock, I'm using a 05-13 corvette accelerator pedal. Tach output settings are Crank, RH 15, RL 15. I verified the tach is connected to pin 48.

WebDec 6, 2012 · C1 pin 48 is a analog out that can be turned on in EFI live for the tach ... Got another e38 wiring question. The Camaro harness has just 2 wires at the alternator plug which connect to the PCM as shown below. ... operation. The BCM determines the output of the generator and sends the information to the ECM for control of the generator turn on ...

WebEarly LSx engine computers (Blue/Red or Blue/Green style) output a 0-12v square wave which is compatible with most tachometers. D. Later style LSx engine computers (E40, E38, E67, etc) output a 0-5v signal that usually requires a pull-up resistor to work with common aftermarket tachometers. dicicco\\u0027s downtown fresnoWebJun 11, 2024 · E38 computers were the most common among naturally aspirated factory engines, but forced induction factory engines (LSA, for example) were equipped with the E67 typically, a cousin to the E38. The early E38s mirrored some of the bad habits from their E40 GEN 3 predecessor, but by 2010 the idle, fuel and spark controls were some of the … dicicco\\u0027s grocery store list of storesWebNot Available - ADD PIN HERE FOR TACH OUTPUT : 49: 0.5 TN: 1671: HO2S Low Signal Bank 2 Sensor 2 : 50: 0.5 D-GN/WH: 465: Fuel Pump Relay Control: X102 Pin 10 : 51----Not Available : 52: 0.5 PU/WH: 6386: … dicicco\u0027s eastchesterWebMay 10, 2024 · Correct HPTuners tach settings for E38 ecm with 58x crank sensor. Tach Output = Crank. Resolution - High =14. Resolution - Low =15. This will make the ECM … dicicco\\u0027s fresno ca kings canyonWebDec 31, 2016 · The tach is working, oil pressure gauge, and all other factory lights and sensors are hooked up and working. Engine and trans tuning tomorrow. Dyno runs after the holidays and lot's of testing before I pick it up in January. The blue tape has been removed from all the aluminum parts and it did it's job to protect during the build. citizen odishaWebLS/VORTEC E38 GEN IV (58X) LT1/L83/L86 (2014+) GEN V; ENGINE CONTROLLER KITS. GEN III 24X (1997-2007) ... • Contact PSI Tech Support to determing if PCM 'Tach Resolution' is set correctly. ... This typically requires that you connect the speedometer to the output wire supplied with the PSI wiring harness ‘under dash wiring’ section. dicicco\u0027s hoursWebApr 6, 2024 · I am using the blue/white wire. It reads double the actual RPM. I was originally running an E38 GM ECU. It's output is not a "V8" signal, thanks to GM's engineers. So to get the tach to read correctly on that setup, you have to make it a "4 cylinder" tach. That's done by cutting the two small wires on the back of the tach. citizen obligations definition