Cannot connect to computer

Tiny
DALTONRICE
  • MEMBER
  • 2004 FORD F-150
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
I turned my truck off at night. In the morning I turned it on and the check engine light was on. A couple weeks ago the check engine light was blinking and was runny rough. So I added sea foam to it and it made it one hundred times better. Also, the obd11 reader or is not reading from the truck. I have tried multiple readers and all say they cannot connect to the truck/computer.
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Sunday, September 2nd, 2018 AT 11:19 AM

1 Reply

Tiny
KEN L
  • ADMIN
Hello,

There is a fuse #41 that powers the ALDL connector. Here is a guide to help you check the fuse and the location of the fuse with the wiring diagrams for the connector to help you see how it works:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Here are the wiring and fuse panel diagrams below. Please run this test and get back to us.

Cheers, Ken
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Monday, September 3rd, 2018 AT 2:25 PM

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