Does Anybody Know What All of These Connectors Do?

[yeahiguessman]

I’m just curious what each of these five cables do that are connected to the radio module. I know there’s six connectors though, so any idea what the cream colored one that’s got nothing in it does?

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[B. Adams]

Those look like coaxial connectors, so my guess is antennas. The unused one might be an antenna type that yours doesn't need.

 

[MetalsGeek]

I agree this appears to be the Audio Control Module (ACM). The large square connector with a couple dozen wires goes to Power/Gnd, the audio control panel, speakers, display, and SYNC module if you have one. There is Hi-Speed CAN Bus #3. A couple of coax lines may come in from antenna preamps if you have both, and another coax line brings in Sat/GPS signals.

 

[BlueSpec1]

2022 ACM Diagrams - https://www.mavericktruckclub.com/f...gram-for-stereo-connections.12453/post-250287

 

[yeahiguessman]

I agree this appears to be the Audio Control Module (ACM). The large square connector with a couple dozen wires goes to Power/Gnd, the audio control panel, speakers, display, and SYNC module if you have one. There is Hi-Speed CAN Bus #3. A couple of coax lines may come in from antenna preamps if you have both, and another coax line brings in Sat/GPS signals.

I see. Thank you for the info! I’ve been dealing with some static crackling at random ever since swapping my APIM out (Whole other situation that was unrelated). I was curious if the issue was coming from the APIM or the ACM.

Audio worked flawlessly before, so I’m trying to narrow down if it’s APIM software, APIM hardware, ACM hardware, or one of these cables that’s connected to the ACM that’s causing my crackling and popping when anything is playing regardless of radio, Bluetooth, or USB.

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