Wiring Harness Or Pats | Ford Explorer Forums - Serious Explorations

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Wiring Harness Or Pats


New Member
May 6, 2011
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City, State
Year, Model & Trim Level
98 XLT
I put a new engine into 98 Ford Explorer, when I turn the key the theft light flashes really fast. The first thing I thought was its a PATS issue but this is my second Explorer and and a similar issue happen to me before, the wiring harness that came with the first Explorer engine wouldnt work with my ECU so I had to put my old harness on and it crank right up but I cant use the harness that came with this engine because the place I bought it from cut the harness so I had to use my old one. So my question if its a PATS issue would the explorer crank but not start or wouldnt crank at all?