Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

Now Offering Intellitronix VSS Converter for ECM Signal

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Old Sep 15, 2013 | 05:46 PM
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FireDemonSiC's Avatar
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Joined: Apr 2008
Posts: 2,342
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From: Dumfries, VA
Car: 1985 Z28
Engine: 334 Stroker Superram 222/230
Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
Now Offering Intellitronix VSS Converter for ECM Signal

First and foremost, for reasons I will not go into I no longer actively post on this site. Anyone interested in further details I would like to ask to please contact me by PM (You WILL receive a response) but after the original posting I will not reply to this thread.

I just wanted to let everyone know that I purchased one of the intellitronix digital clusters and like many others that I have seen was not provided any way to supply a VSS signal to my ECM since the intellitronix sending unit does not output the correct pule-per-mile count the ECM is expecting (On certain thirdgens it does not even output the correct signal form IE squarewave instead of sinewave). This can cause numerous annoyances such as a near constant check engine light, high idle (Usually by a few hundred rpm) and it will break the cruise control.

So, I did what most people aren't stubborn enough to consider. I ordered a CMOS chip online, took a trip to radioshack, did a plethora of engineering research and built my own signal divider to supply a VSS signal the ECM can read.

I am able to build these same converters for anyone else who needs one. Price is $60 SHIPPED per converter and they are built to order. You will receive a professionally assembled product with all the components (Voltage protection diodes, capacitors, resistors and etc.) soldered to a PCB board and enclosed into a plastic housing that is small enough to fit INSIDE your cluster where the tach would have been.

Anybody who wants further info please drop me a PM and be sure to include the year of your car along with the engine type. Some thirdgens are expecting 2kppm squarewave and some are expecting 4kppm sinewave so I need to know this information.

Last edited by FireDemonSiC; Sep 15, 2013 at 06:03 PM.
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