@bartscave yes it was for sure. Never would have expected that someone would have swapped those two wires in the connector. I'd sure like to know the history of this truck
I bet that if you print a standard list of questions to ask EVERY customer before attempting to diag a vehicle and force yourself to ask the questions and write down their response, you could probably prevent yourself from running down a rabbit hole unnecessarily. Question the customer every time on how long they've owned a vehicle, when the last time the functionality worked, ask if any other repairs/maintenance have been done in the last 1/3/6/12/24 months, ask if anybody has looked at the issue, ask if any aftermarket equipment has ever been installed, ask if anything else is inoperable. I'm sure you could easily come up with a list based on stuff that has impeded your diags in the past. It might be a great business practice to implement because there are always questions we might either forget to ask at first, or maybe initially we might feel like the information wasn't relevant but then it turns out it's needed. It could probably reduce the the "let met try and call the customer" instances as well.
@RK-kn1ud that's an excellent idea. I know better too. I knew that the customer recently purchased the truck and thar someone fixed a wire but ther than that not much else...
So i wonder what diagram the guy that re-pinned the connector went off of. So 2 diagrams were incorrect? Awesome find though! Glad that headache is gone lol.
The diagrams were all correct. I just didn't catch the two wires in the wrong locations. The ground and the brake output wires were interchanged. It did not hurt anything since the relay had no ground it would not output on the output circuit. What also threw me off was that the three controllers each set a different code...
Thanks for another great video. Always remember, the more frustrating the situation for you, the more we end up learning. So, thanks for sharing.
Great diagnosis! Man that looked frustrating.
@bartscave yes it was for sure. Never would have expected that someone would have swapped those two wires in the connector. I'd sure like to know the history of this truck
Great case study and finally figuring out what the issue was. I would have been pretty frustrated too.
Ugh……that sucks that you had to go through all of that, Phil. A big F to the guy that pinned the connector incorrectly.
That's one of the problems not knowing service history.
I bet that if you print a standard list of questions to ask EVERY customer before attempting to diag a vehicle and force yourself to ask the questions and write down their response, you could probably prevent yourself from running down a rabbit hole unnecessarily. Question the customer every time on how long they've owned a vehicle, when the last time the functionality worked, ask if any other repairs/maintenance have been done in the last 1/3/6/12/24 months, ask if anybody has looked at the issue, ask if any aftermarket equipment has ever been installed, ask if anything else is inoperable.
I'm sure you could easily come up with a list based on stuff that has impeded your diags in the past. It might be a great business practice to implement because there are always questions we might either forget to ask at first, or maybe initially we might feel like the information wasn't relevant but then it turns out it's needed. It could probably reduce the the "let met try and call the customer" instances as well.
@RK-kn1ud that's an excellent idea. I know better too. I knew that the customer recently purchased the truck and thar someone fixed a wire but ther than that not much else...
So i wonder what diagram the guy that re-pinned the connector went off of. So 2 diagrams were incorrect? Awesome find though! Glad that headache is gone lol.
The diagrams were all correct. I just didn't catch the two wires in the wrong locations. The ground and the brake output wires were interchanged. It did not hurt anything since the relay had no ground it would not output on the output circuit. What also threw me off was that the three controllers each set a different code...