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Old 06-28-2015, 05:52 AM
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Zedn Zedn is offline
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Join Date: Jun 2009
Location: Sydney, NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
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Hi Rick,

Appreciate you typing all that out. I have done all of that except tapping the metal on the sensors. I don't have a decent scanner unfortunately. Looking at maybe buying hp tuners.

When you say ignition module, what do you mean. I don't recall there being one on these motors.

When I tested the wiring for the cam and crank sensors, I found the signal wire from the computer to the crank sensor has 5v. That's the signal wire, not the power wire. So I have 5v on the two outer wires of the plug. That I wasn't expecting because the cam signal wire from the computer has no voltage. Being the same type of sensor you would expect the signal wire from the ecu to be the same.

I checked for continuity between the signal wire and the 5v wire thinking maybe they have been pinched somewhere but there is no continuity between the two.

It appears the ecu is outputting 5v on the crank signal wire. I'm trying to find if this is normal. Do you know?

I don't think it's a sensor. I think it's either power feed, earth or ecu as there are no codes. I thought I found it today as I discovered an earth wire was a bit loose in the ring terminal. I soldered it up but it didn't fix it.
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