ACM As-Built Database

The above is a great thread by DanMc85…

Yes, I think all or most ACM Modules will do this. It is only stereo, 2 channel.
The values you are looking for are either 5 or 7 depending on your application.
727-01-01 xx*x xxxx xxxx
Front/Rear Satellite Speakers (Internal Amp, External Variable, Fixed Line Level, Not Used, Reserved)
Int Amp=Default, External Variable=4 Volts (Vref1), Fixed L/L=aka Smart Amp
0=Front: Int Amp & Rear: Int Amp
1=Front: Int Amp & Rear: External Variable
2=Front: Int Amp & Rear: Fixed Line Level
3=Front: Int Amp & Rear: not used
4=Front: External Variable & Rear: Int Amp
5=Front: External Variable & Rear: External Variable
6=Front: External Variable & Rear: Fixed Line Level
7=Front: External Variable & Rear: not used
8=Front: Fixed Line Level & Rear: Int Amp
9=Front: Fixed Line Level & Rear: External Variable
A=Front: Fixed Line Level & Rear: Fixed Line Level
B=Front: Fixed Line Level & Rear: not used
C=Front: reserved & Rear: Int Amp
D=Front: reserved & Rear: External Variable
E=Front: reserved & Rear: Fixed Line Level
F=Front: reserved & Rear: not used

Make sure that the EQ selection is set to ‘0’, or the rear speakers will be rolled off on the high end and a low cut applied also. No one really uses the rear connection, as most systems will accept stereo and then divide that in the aftermarket system. The frequency response from the ACM is surprising good. Here is the values for the EQ setting:
727-01-02 x*xx xx
0=EQ Selection #0 (Flat EQ)
1=EQ Selection #1
2=EQ Selection #2
3=EQ Selection #3
4=EQ Selection #4
5=EQ Selection #5
6=EQ Selection #6
7=EQ Selection #7
8=EQ Selection #8
9=EQ Selection #9

I don’t know if anyone has documented the EQ selections, because no one uses them…

Here is the ACM Database. Use the 2015-2017 tab. This will be close, as it is mapped out for F-150.

ACM As Built Database.xlsx (114.0 KB)