Crankshaft position sensor wire identification - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 01-14-2020, 02:28 AM   #1 (permalink)
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Crankshaft position sensor wire identification

I have a 1992 Jeep wrangler, and am trying to identify the three wires that are in the crankshaft identification sensor plug.

All the plug info I have found thus far shows a flat plug. Mine is a circular plug with the 3 wires.

My wiring colors are different as well. I have a brown with red tracer, white with black and I believe black with blue tracer.

I am trying to determine which one is the ground wire?

It seems plug 3 is the ground on the flat terminals pictured, but havent found a pinout of the terminal style I have, or the correct wiring colors.

Thanks guys.
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Old 01-14-2020, 08:15 PM   #2 (permalink)
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From my understanding, the one we need has been discontinued. They sell a rectangular shaped sensor that does not fit our bellhousing but has the correct wire plug, and they sell the one that does fit our bellhousing but has the wrong plug end on it. I was kind of thinking buy one of each and cut and splice the plug onto the correct sensor should work.
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Old 01-15-2020, 07:56 AM   #3 (permalink)
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Well, great 🙂

I figured I must have an anomaly year. Between AMC and Chrysler gearing up.
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Old 01-15-2020, 08:59 PM   #4 (permalink)
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Nope, no anomaly. I discovered this myself a few months ago. As part of my massive rebuild I wanted to replace every sensor on the thing while I had it all apart. Ran it o the same issue you have and ran across a few other in the YJ Facebook groups with the same problem. That was when it came out that the one we need is no longer being made. Really shitty given their tendency to fail and render the Jeep dead.
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Old 01-16-2020, 03:58 AM   #5 (permalink)
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Which part do we order then? I suppose splicing the end isnt the end of the world but does definetly suck.

I would like to have a spare on hand.
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Old 01-16-2020, 08:08 AM   #6 (permalink)
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Check Rockauto, both types are still available. Need to know auto ot manual trans. Both have the stock round plugs.

Auto Trans type:

https://www.rockauto.com/en/moreinfo...185083&jsn=386

Manual trans type:

https://www.rockauto.com/en/moreinfo...185083&jsn=385

If you did want to convert to the more common flat plug sensor, you must use one from a OBD1 model, they run off 8 Volts, the later OBD2 type sensors run on 5 volts.

Hope this helps!
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