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Posted on Jan 02, 2017
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Disconnect and remove the TP sensor from beneath the throttle body
View of the throttle position sensor mounting-4.9L, 5.0L and 5.8L MFI engines shown, others similar
Exploded view of the throttle body mounting-5.0L and 5.8L engines
Posted on Mar 06, 2010
Check your ignition relay in the powerbox. Most Relays have numbers on them and Ford often uses the same Relay for the Horn. You can go to Autozone.com and register your truck for FREE and then make prints of your Fusebox and your entire Chassis wiring. Once you verify which Relay is for the Horn and Ignition, you can swap them and see if the horn works.
If the horn does not work, then the Relay was bad and you can use the former horn relay and stick it in the Ignition position and drive your truck.
I want to also point out that under the dash you will have a switch on the Brake pedal lever and on the clutch lever, that are lockouts for the starter. But when a foot hits them and moves them or breaks them, any type of connection is possible. You may still have a starter connection but lose other electric power.
If what we have tried still does not get you going; check the voltage going into your coil. You could just have a bad coil.
I looked up your engine and my records show either a 7.5L or a 5.4L and the last year for the 351 was in 1996.
Posted on Jan 27, 2012
I had to do this on my 1988 F250, if I remember correctly:
Remove in this order:
Driveshaft, Starter, lower cover plate, transmission, torque converter.
Flywheel s/b bolted to converter.
When driveshaft is removed - plug gap in tranny output - between drive shaft and housing - to prevent fluid spillage.
When removing transmission - plug hole in converter to prevent spillage.
When handling converter hold it flywheel side down until - to avoid fluid loss.
I presume you have all the correct tools and a helper.
hope it goes well
Posted on Jan 25, 2015
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