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0 · What is a Smart Junction Box? (Fords)
1 · Suspected SJB problem
2 · Smart Junction Box (SJB) repair/rebuild
3 · Programming Smart Junction Box (SJB): Step By Step
4 · Ford Smart Junction Box: Programming, Location & Repair
5 · Ford Instrument Clusters and PCMs ECMs Repairs
6 · Ford Focus Service Manual: Smart Junction Box (SJB)
7 · Ford Focus Service Manual: Data and Communication
8 · Ford Body Control Module
9 · 2008 Focus Fuse Diagram
10 · 2003
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Prior to the replacement of the module, it is necessary to upload the module configuration information to a scan tool. This information must be downloaded into the new Smart Junction Box (SJB) after installation. For additional information, . A Smart Junction Box (SJB) is an electronic component found in Ford vehicles that serves as a central hub for controlling and distributing electrical power to various systems and components within the vehicle.We offer a wide variety of Ford repairs and replacements for Instrument Clusters, PCMs (Powertrain Control Module), FICMs (Fuel Injector Control Module), SJB (Smart Junction Box), .9.99
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The Smart Junction Box (SJB) is also known as the Generic Electronic Module (GEM) . Multiplexing is a method of sending 2 or more signals simultaneously over a single circuit. Multiplexing is used to allow 2 or more electronic modules .For the most accurate results, select vehicle by your VIN (Vehicle Identification Number). Shop OEM Ford Body Control Modules at wholesale prices. Ship fast and save more on . The smart junction box is what sends power tot he clutch for the AC compressor. Did you check that fuse F14 is not blown and that power exists there? It's built for speed, it ain't built to last.
I believe the Smart Junction Block is a combination of the GEM module and another module. The abreviation in the manual is SPDJB. The module is fed by a circuit . Find the right fuse using this 2008 Focus Fuse Diagram shows a battery junction box and a smart junction box located under the dash.
Prior to the replacement of the module, it is necessary to upload the module configuration information to a scan tool. This information must be downloaded into the new .
I have a 2008 Ford Mustang. My issue is the AC CONTROL HEAD has no power. Bought a new AC CONTROL HEAD, that wasn't the issue. I had water coming in on the driver side floor board for a long time. Was able to fix that problem after weeks of looking and research. I wanted to ask could the Junction BOX be the issue as to why my AC isn't coming on?If it was acting up when you had it at the Ford dealer I would think they would be able to diagnose the concern. I am not there diagnosing the concern somebody else is. If it were me I would have replaced the smart junction box and your problem would have been resolved on your first visit. PCM continuous supply (Focus ST and Focus RS only) 27: 10: Air conditioning clutch: 28: 10: Glow plug monitoring (diesel only) 29: 10: Dual zone climate control: 30: 3: PCM, automatic transmission: 31: 10: Battery sensor smart charging: 32: 10: Automatic transmission: 10: Fuel injector power supply (Focus ST and Focus RS only) 33: 10: Heated .
What is a Smart Junction Box? (Fords)
Customer: 2008 Ford Expedition Smart Junction Box (SJB) replacementI purchased a replacement Smart Junction Box for an 08 Ford Expedition. I confirmed that the voltage for the circuit for the courtesy lamps/vanity mirror/interrior lights was a 7.4VDC and should have been over 11.00VDC.
Customer: 2008 Ford Mustang gt. Replaced the Smart junction box and still having the same issues. Mechanic's Assistant: What's the approximate mileage on your 2008 GT? Customer: 100K Mechanic's Assistant: How often is the GT typically serviced?ASE Master Technician, Ford Senior Master Technician,Diesel certified, ASE Master, 22 yrs FORD exp. 86 Satisfied Customers How do I determine why the brake and tail lights on a 2006 Mustang 4.0L are not working.Customer: where is the part # on smart junction box 2008 ford expedition Mechanic's Assistant: Are you fixing your Expedition yourself? What have you tried so far? What have you tried so far? Customer: everything, narrowed it down to the sjb Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you?
When replacing a smart junction box in a 06 Ford Expedition XLT 4x4, does it need programed to the vehicle?? bamaman39 10 years ford technician,20 years working on cars
The fuse box is a programmable module on this vehicle and will not directly interchange with one from another vehicle. It is actually called a "Smart Junction Box". The module must be programmed to the vehicle specifically. A new module must be programmed also. The odds of one working from another vehicle is very slim.I have a 2008 ford f250 5.4l i need a smart junction box diagram - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. I have a 2008 Ford Mustang. My issue is the AC CONTROL HEAD has no power. Bought a new AC CONTROL HEAD, that wasn't the issue. I had water coming in on the driver side floor board for a long time. Was able to fix that problem after weeks of looking and research. I wanted to ask could the Junction BOX be the issue as to why my AC isn't coming on?If it was acting up when you had it at the Ford dealer I would think they would be able to diagnose the concern. I am not there diagnosing the concern somebody else is. If it were me I would have replaced the smart junction box and your problem would have been resolved on your first visit.
PCM continuous supply (Focus ST and Focus RS only) 27: 10: Air conditioning clutch: 28: 10: Glow plug monitoring (diesel only) 29: 10: Dual zone climate control: 30: 3: PCM, automatic transmission: 31: 10: Battery sensor smart charging: 32: 10: Automatic transmission: 10: Fuel injector power supply (Focus ST and Focus RS only) 33: 10: Heated .Customer: 2008 Ford Expedition Smart Junction Box (SJB) replacementI purchased a replacement Smart Junction Box for an 08 Ford Expedition. I confirmed that the voltage for the circuit for the courtesy lamps/vanity mirror/interrior lights was a 7.4VDC and should have been over 11.00VDC.
Customer: 2008 Ford Mustang gt. Replaced the Smart junction box and still having the same issues. Mechanic's Assistant: What's the approximate mileage on your 2008 GT? Customer: 100K Mechanic's Assistant: How often is the GT typically serviced?
ASE Master Technician, Ford Senior Master Technician,Diesel certified, ASE Master, 22 yrs FORD exp. 86 Satisfied Customers How do I determine why the brake and tail lights on a 2006 Mustang 4.0L are not working.Customer: where is the part # on smart junction box 2008 ford expedition Mechanic's Assistant: Are you fixing your Expedition yourself? What have you tried so far? What have you tried so far? Customer: everything, narrowed it down to the sjb Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you?
Suspected SJB problem
When replacing a smart junction box in a 06 Ford Expedition XLT 4x4, does it need programed to the vehicle?? bamaman39 10 years ford technician,20 years working on cars
The fuse box is a programmable module on this vehicle and will not directly interchange with one from another vehicle. It is actually called a "Smart Junction Box". The module must be programmed to the vehicle specifically. A new module must be programmed also. The odds of one working from another vehicle is very slim.
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A junction box provides a code-approved place to house wire connections, whether for outlets, switches, or splices. Here's how to install one.
2008 ford focus smart junction box|Programming Smart Junction Box (SJB): Step By Step