T5 transmission speedometer

gmc1941 said:
Question for u-all. What voltage is the electronic one. Asking it because I don't know.
Click to expand...

Are you asking about the VSS output? It's an AC signal of very low voltage. The electronic speedometer counts the "pulses", the frequency of which increases with output shaft rotation RPM. It doesn't rely on voltage. The speedo unit itself requires a 12V neg. ground power source.

Bob
 
I don't know what the elect. Pulse generator develops. I have the starter plate and the flywheel cover painted. Will install in the morning. I will test the transmission, flywheel and clutch.While I am at it I will test the voltage out put from the elect pulse generater. I am looking for a curcit with a capasitor to full wave bridge rectifer to smooth out the signal . So it an be looked at on a volt meter.(got one of those 1000and one circuet books. I willblook for something that will lett me read the pulse signal. Lyle
 
36tbird really! you are asking a queston the is going to be hard to answer. Think about it.A pulse generator does not put out a continuas signal. How can a volt meter read a on off on off on off signal the thing cant keep up. so yo have to have a circut with a half,or full wave rectifer with a copasetor to smoth out the signal so the volt meter can read it. Please some one tell me if I am not righr on this. I gave up electrical stuff. years back. when they stoped using tubes I gave up the radio stuff.
 
Electronics is well beyond me, thats why I am using the AutoMeter in two of my builds with t5's, mark off two miles, set the speedometer for the calibration, drive to start of two miles, press button and drive the two miles at any speed in any gear, at the end of two miles press the button and you are calibrated, if ever tires or rear gears are changed, same thing and calibrated again.

Vergil
 
Thanks Vergil Some of this stuff is beyond me also. I just wont to get it right.I wont to build a car. Not a (shot rod) rat rod. Love the Barn. and you folks also!!!!!!
 
Lyle said:
So it an be looked at on a volt meter.(got one of those 1000and one circuet books. I willblook for something that will lett me read the pulse signal. Lyle
Click to expand...

Most quality volt meters will give you the RMS value of an AC signal, so you really don't need an external circuit to "average" it. The most accurate tool for analyzing the signal would be an oscilloscope.

Bob
 
I guess I have just learned MORE than I had ask for. And I really needed the info for my further project. I need to save this... Gordon
 
You must log in or register to reply here.
Back
Top