Autocom & Filtered/Switched Power 7/18/2004
(Updated 8/20/2006)

Power buss has switched, isolated power feed run through a choke and an active power filter.

Large pink wire feeds the isolated power buss.

Power directly from battery, through the fuse shown, and then through the relay in the top right.

Cables at tail section connecting to Autocom.

Path for the Autocom cables.

Another view.

Cables exiting near the air cleaner.

1/8" headphone tap shown on the left.

The complete setup. Earbuds, microphone cable and iPod remote.

Full view of 1/8" tap.

iPod.

Garmin 2610 hooked into Autocom system.

Cable I used to hook my Palm Treo 700W to the Autocom. The output from the phone is such that the volume is too loud.
The volume control is Radio Shack part number 42-2559. The 2.5mm to 1/8" adapters, 274-373 & 274-397.

Autocom Cable Pinouts

Looking at the female DIN on the Autocom Headset connector:
9:00 is mic
10:30 is mic ground
12:00 is ground
1:30 is right speaker
3:00 is left speaker

Looking at the female DIN on the Autocom Radio connector:
8:00 white -  +9V (power from the Autocom)
10:00  yellow  MIC (microphone)
12:00  shield  GND (ground)
2:00  blue  SPKR (speaker)
4:00  black or green  PTT (push-to-talk)

Any mono signal can be applied to the GND+SPKR leads to get a second audio signal into the Autocom! This is very useful
if you want to have a personal stereo and a radar detector connected at once. Connect the base of the stereo or mono plug
to the GND pin and connect the tip (or tip and ring, for a stereo plug) to the SPKR pin of the DIN plug.  This is a very
useful cable to have in your kit!

The following diagram shows the Autocom AUX2 pinout. The 'Not Used on the Autocom (left side on the diagram below), is
actually the microphone! That's why this port, AUX2, is used for the phone interface on Pro-M1 units.

More Autocom AUX2 info:

AutoCom has a unique set-up for the Aux 2 input, and for a good reason - to allow VOX output for the cellular phone option.
For that reason, standard plug configurations DON'T WORK in the Aux 2 input.

Link to my Yaesu FTM-11R installation page.

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