vss problem
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Car: 92 25th anv camaro rs
Engine: 305 tbi
Axle/Gears: 3.08s non posi
vss problem
So i aaked what the ecm on my 92 tbi v8 uses, told 4k ppm ok got it. But the vss feeds to a bufferbox 1st so now i think i asked the wrong question. So my cuerrent question is what signal does the buffer box need? Is it still 4k or is it 2k that the box buffs to 4k for the ecm?
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: vss problem
The buffer box requires a 4K PPM magnetic (sine wave) signal. From the buffer box a 4K PPM stream (digital) goes to the speedometer, and 2K PPM streams (digital) go to the cruise control and the ECM (individually).
https://www.thirdgen.org/forums/dfi-...ecm-pulse.html
RBob.
https://www.thirdgen.org/forums/dfi-...ecm-pulse.html
RBob.
Joined: Dec 2004
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: vss problem
The speedometer shouldn't budge when the car isn't moving. Emi or a faulty cluster
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