Ford Mustang Forum - View Single Post - Crazy electrical issues??? BCM?
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post #15 of (permalink) Old 12-30-2019 Thread Starter
galaxius's Avatar
Joined: Jan 2018
Posts: 10
Anyone have any experience replacing the SJB?
I just installed a replacement from Ebay - the model number is identical, all the fuses are the same as well. After installing the box and re-attaching my battery, my headlights stay on, but when I put the key in ignition and turn to AC ON, my dash doesnt light up, radio wont start, no noise, nothing. I can hear some vacuum or whatever, its the normal sound you hear when you turn the key on most cars. But all the items attached to the SJB wont turn on. I can roll down the windows and pop the trunk, the key fobs wont work to unlock the doors though. My concern is the dash not lighting and the radio not starting. Do I need to program the SJB? I havent tried turning over the engine yet...

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