5008, RE: Can't get crank signal ms2/extra Posted by itsaslow95, Dec-31-69 06:00 PM
Well on Sunday I put an oscilliosope on it.(buddies' snap on verus) and I'm not getting anything out of the sensor. I have the 8v+ going in the center wire, and I believe the ground on the left if your looking at the connector face. And signal out on the right.( I wired it how they show in the clymer repair manual) I thought the sensor was bad do brought it back to Autozone for another one under warrenty, same issue. Wired like that the scope shows a flat 8v+.
Now the interesting part, the snap on tool shows a different wiring schematic. Which I forget. But hooked up that way I still have no signal but it gives a flat line 0v.
What is it sapposd to be normally? I.e. Flat normally then when pulse goes to 8v Or normal 8v when pulsed drops to zero.
Also I did not ground the block with the big post on the back, I have a ground to the tb on it right now, I also have been jumping the sensor's ground to the battery ground. Could this ground strap maybe be my issue? I'm going to try it today hopefully.
Thanks!!
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