7.3 IDI HELP!
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5th Gear
Joined: Mar 2024
Posts: 5
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From: illinois
7.3 IDI HELP!
hey guys im new here and im taking a 1991 f250 with a 7.3 idi and a e40d and putting a 1979 f100 body on the chassis. anyways i want to know what wires i can delete the truck was and lariat xlt wit power locks power windows and such and i dont require any of that anymore. If anyone has a wiring diagram i would be extremely great full. Thanks.
Logistics Pro
Joined: Jun 2017
Posts: 3,979
Likes: 514
From: Edmond, OK
Here's a good website with Bullnose wiring diagrams and troubleshooting info.
https://www.garysgaragemahal.com/wiring-diagrams.html
Even with the FIPL and E4OD you shouldn't need much to get that 7.3l to start. Good luck.
https://www.garysgaragemahal.com/wiring-diagrams.html
Even with the FIPL and E4OD you shouldn't need much to get that 7.3l to start. Good luck.
Logistics Pro
Joined: Nov 2013
Posts: 3,928
Likes: 1,199
From: Mojave, Ca
Transmission Computer and the harness which connects to the Vehicle speed sensor, transmission shift position sensor, throttle position sensor, baro sensor.
An Ignition switch for the fuel shut off solenoid, starter, and glow plug controller.
An Ignition switch for the fuel shut off solenoid, starter, and glow plug controller.
Thread Starter
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5th Gear
Joined: Mar 2024
Posts: 5
Likes: 0
From: illinois
Here's a good website with Bullnose wiring diagrams and troubleshooting info.
https://www.garysgaragemahal.com/wiring-diagrams.html
Even with the FIPL and E4OD you shouldn't need much to get that 7.3l to start. Good luck.
https://www.garysgaragemahal.com/wiring-diagrams.html
Even with the FIPL and E4OD you shouldn't need much to get that 7.3l to start. Good luck.
Logistics Pro
Joined: Nov 2013
Posts: 3,928
Likes: 1,199
From: Mojave, Ca
Remove the computer behind the driver side wheel well and remove the wiring harness with it. Try to get as much as the harness out without cutting wires. You should only need to clip a few wires associated with power/ground/keep alive memory,overdrive light/switch, and speedo.
You'll need to wire in the 91's psom (programmable speedo/odo module) that's on the back of the instrument console. It converts the vss signal into something the trans computer can use.
You'll need to wire in the 91's psom (programmable speedo/odo module) that's on the back of the instrument console. It converts the vss signal into something the trans computer can use.
Thread Starter
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5th Gear
Joined: Mar 2024
Posts: 5
Likes: 0
From: illinois
Remove the computer behind the driver side wheel well and remove the wiring harness with it. Try to get as much as the harness out without cutting wires. You should only need to clip a few wires associated with power/ground/keep alive memory,overdrive light/switch, and speedo.
You'll need to wire in the 91's psom (programmable speedo/odo module) that's on the back of the instrument console. It converts the vss signal into something the trans computer can use.
You'll need to wire in the 91's psom (programmable speedo/odo module) that's on the back of the instrument console. It converts the vss signal into something the trans computer can use.
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