Shelby Styled Shift Light

[Brigadir]

I’ve never done anything with CAN buses before, so I have no idea what the difference is between HS1 and HS3. (Once I found what I was looking for, I stopped researching.) Are there different physical busses? As mentioned above, I just used ports 14 and 6 on the OBD2 connection at 500k.

Yeah, it’s HS1. HS3 is on pins 1 and 9. May I know what was the issue with that 0x109 CAN ID? And what model is your car?

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[ammoman]

Yeah, it’s HS1. HS3 is on pins 1 and 9. May I know what was the issue with that 0x109 CAN ID? And what model is your car?

This is all on a 2019 Mustang GT Premium.

On the Mustang are pins 1 and 9 a totally different CAN bus? I assumed the only CAN bus was on pins 6 and 14. (see attached image) At least that would explain why 0x109 wasn’t on pins 6 and 14! Sorry for my ignorance.

Oh, and one note for you to update on your VERY helpful file: B3 on 0x3B3 (cluster dimming) - when the headlights are on (night mode), the instrument dimming goes from 1 (dimmest) to 12 (brightest). When the headlights are off (day mode) the instrument dimming goes from 13 up to 18. (those are integer values, not hex) I have the digital dash, so I don’t know if those are different for other clusters or not. But it was awesome seeing the LED shift light get brighter/dimmer based on those values!

Do you by chance know what any of the other OBD2 ports are for? I‘m hoping one is a switched 12v that I can use to power the Arduino so I don’t have to run another wire from the fuse panel. (there are so many other wires there from all my custom gauges, fuel pumps, stereo, subwoofer and oil cooler fans, etc)

 

[Brigadir]

This is all on a 2019 Mustang GT Premium.

On the Mustang are pins 1 and 9 a totally different CAN bus? I assumed the only CAN bus was on pins 6 and 14. (see attached image) At least that would explain why 0x109 wasn’t on pins 6 and 14! Sorry for my ignorance.

Oh, and one note for you to update on your VERY helpful file: B3 on 0x3B3 (cluster dimming) - when the headlights are on (night mode), the instrument dimming goes from 1 (dimmest) to 12 (brightest). When the headlights are off (day mode) the instrument dimming goes from 13 up to 18. (those are integer values, not hex) I have the digital dash, so I don’t know if those are different for other clusters or not. But it was awesome seeing the LED shift light get brighter/dimmer based on those values!

Do you by chance know what any of the other OBD2 ports are for? I‘m hoping one is a switched 12v that I can use to power the Arduino so I don’t have to run another wire from the fuse panel. (there are so many other wires there from all my custom gauges, fuel pumps, stereo, subwoofer and oil cooler fans, etc)

Interesting observation regarding values of the dimming. Probably I missed that case, will check it…
Regarding the pins, here’s all pinout:
1 - HS3-CAN +
3 - MS-CAN +
4 - Chass Gnd
5 - Sig Gnd
6 - HS1 CAN +
8 - HS2-CAN +
9 - HS3-CAN -
11 - MS-CAN -
12 - HS2-CAN -
14 - HS1 CAN -
16 - VBAT
For sure it’s good option to wire the power from here. I did similar leds bar (https://www.mustang6g.com/forums/threads/dashbar-shiftlight-engine-load-and-more.203373/) and connected it behind the OBDII port with T-cut into this wire:
https://a.aliexpress.com/_msEsGHN
So it doesn’t occupy the OBD port. Maybe this note we be useful for you

 

[MM777]

I hear you!!! That app you got is sick! Hopefully you can share it... I ordered all the parts you listed

I just found this post & did the same. It has been a while since I programmed anything, maybe the VCR, hopefully the tutorials will get me through

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