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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

5.4 engine replacement

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Old Sep 15, 2019 | 01:36 PM
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PaintedStallions
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Default 5.4 engine replacement
I have a1999 F-150 loaded with a 5.4 in it. Will that same engine work, bolt up, and accept the wiring harness in a 2001 F-150?
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Old Sep 15, 2019 | 01:37 PM
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Yes, no problem 99-03 as long as it's 5.4 to 5.4. 5.4 to 4.6 needs changes to wiring, torque converetor etc.
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Old Sep 15, 2019 | 02:52 PM
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thanx akdoggie! do you know where I might be able to get info on whats involved to swap the engine harness fro the 99 to the 01? it looks like this guy may have cut part of the harness to get the motor out.
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Old Sep 15, 2019 | 03:12 PM
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Just unbolt the complete harness from the firewall plug and swap them over. Once you have the engine out everything is wide open.
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