https://ibb.co/mkdNhK
Getting ready to replace both front right and left ABS sensors and found this GREY wire broken. It Must have been repaired at one time with connector and black wire.

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ARB front bumper
GDE Eco tune
JBA A-Arms
2.5 JBA Coilover Silver Package
Mopar Rear A Arm
Good Year All-Terrain Adventure with Kevlar 245/75R16
Samco Hoses
EGR Stage 2 Delete to install next

A photo showing more of where it’s going would be helpful. Looks sort like the fuel heater head, where does it goto? Can you post a photo showing where it’s going?

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http://www.Colorado4Wheel.com
"Its not about what you can DO with your Jeep, its about where you can GO with your Jeep."
Knowledgeable - But Caustic

The wire looks like it was cut. I Cant see or find the other end could it be for the WIF sensor? I don't feel any wires or connector under the fuel filter I am thinking the connector may have been eliminated by the PO. Picking up a new filter tomorrow from Napa. The wire with split loom looks like it goes down to the firewall.

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ARB front bumper
GDE Eco tune
JBA A-Arms
2.5 JBA Coilover Silver Package
Mopar Rear A Arm
Good Year All-Terrain Adventure with Kevlar 245/75R16
Samco Hoses
EGR Stage 2 Delete to install next

You need to be a bit more specific about the color of the wire.
Generally the wires consist of a solid color with a thin stripe.

Your picture looks to me more like a Black/Light Grey ie solid black with a thin grey stripe.
If you can identify the exact color combination I can find it in the wiring diagrams.

What year/model is your Jeep?

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2002 Export CRD