351W EFI wiring
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Cross-Country
Joined: Jul 2014
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From: Nevada
351W EFI wiring
I have a 351w (speed density) out of a wrecked 94 bronco I'm installing in a cj5. I have the entire bronco and I got it running before I pulled the drivetrain. My question is what do I need to run power to to make this run? In searching ive read it only needs 7 wires but I haven't found specifics. It is paired with an E4OD but I have a T19 I might put in instead.
Lead Driver
Joined: Sep 2003
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From: SoCal
which 7 wires are you referring to?
If you want to keep using the SD EFI system, you need to take the EEC and its entire wiring harness and all the sensors and actuators that go with it. (The fuel injectors are some of the actuators.) If that bronco had an automatic transmission, it was probably also controlled by the EEC. So that's a lot more than 7 wires.
If you want to keep using the SD EFI system, you need to take the EEC and its entire wiring harness and all the sensors and actuators that go with it. (The fuel injectors are some of the actuators.) If that bronco had an automatic transmission, it was probably also controlled by the EEC. So that's a lot more than 7 wires.
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Cross-Country
Joined: Jul 2014
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From: Nevada
I want to continue using the system it has with only what it needs to run. It's something I can figure out, I guess i was just hoping to find a write up on it or someone who can throw some pointers around. I have the engine out and I just need to take the harness off the firewall,
Lead Driver
Joined: Sep 2003
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From: SoCal
I have an old Haynes manual for Mustangs up to 1990 that provided full electrical diagrams, including the EEC, for each engine available with the car. I used it do help me when I converted the SD system on my 87 Mustang to MAF.
Maybe they have the same thing for a 1994 Bronco; you can check.
Maybe they have the same thing for a 1994 Bronco; you can check.
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Cross-Country
Joined: Jul 2014
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From: Nevada
Thank you, looking over a fuse box diagram i think the 7 wires reference was talking only 7 circuits that needed 12v supply to make the engine run. I'm going to give that a whirl and see if I can make it run on a stand first.
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