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This wiring harness is under the dash on the drivers side. The wire that's used is shown "kinked" ..it's very hard to determine which of the 3 white wires is the tach wire ....
Find the bundle of wires in the driver's side kick panel that leads up to the cluster.
There are 3 or 4 white wires in that bundle, one of which is the tach wire. Using a simple 12v test probe...clip it to a good ground, and then probe (pierce) each white wire while watching the tach. When you probe the right one, the tach needle will jump slightly. Connect your Raptor signal wire to that wire.