Power to dash and still running after key is removed

Tiny
JON BROOKS
  • MEMBER
  • 2006 FORD ESCAPE
  • 3.0L
  • V6
  • 4WD
  • AUTOMATIC
  • 230,000 MILES
I was sitting in my car and turned on the key to acc and rolled the window down, shut the key off and, in a minute, or so. Maybe 5 minutes I noticed the dome light flickering, hasn't worked in a while because the fuse is removed or at least I think it is. Anyway, I reached up, turned off the dome light and noticed the dash lights came on like I had turned the key then smoke started rolling out from under the dash (burning wires). I jumped out and pulled the positive cable from the battery and it quit. Now when I hook the battery back up dash lights come on and horn blares constantly along with the headlights. I know some of such is the anti-theft because headlights go out when I put the key in the ignition. I unhooked the horn to keep from drawing attention. I started the car and then turned the key off and it failed to shut off I had to pull the fuel relay to shut off it. I know it's a short somewhere because when I try to put a fuse in the #2 slot under the hood it instantly pops it. The fuse is apparently for my high beams and my interior lights. Maybe back feeding power from somewhere? I'm at my end with this vehicle. Thank you in advance.
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Sunday, February 20th, 2022 AT 5:49 PM

1 Reply

Tiny
KASEKENNY
  • EXPERT
Totally understand the frustration and you are correct that you have a short. Due to seeing smoke from under the dash and the horn going off the most likely cause is the smart junction box has shorted internally and causing the issues.

What I would do is remove the SJB and smell it and see if it smells like burned electric components.

Also, I am attaching the info on the wiring diagrams and the process on how to replace the SJB. If you want to test this and prove it is the issue, we need to check the voltage for the relay while you are not pressing the horn.

Here is a guide that will help with this:

https://www.2carpros.com/articles/how-to-check-wiring

If you have voltage going to the horn then the switch is shorted or the SJB but with all the other evidence, I would jump straight to the SJB.

Please run through this info and let us know what you find.

Thanks
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Monday, February 21st, 2022 AT 6:53 PM

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