Quote:
Originally Posted by neoknux_009
With my wiring, there are are actually two 28 pin harnesses. My suspicion is that my my OEM headunit had a different pin which would trigger the 12v AMP signal. Then the adapter would route the wiring two the correct pins. I'll have to open it up again and see what I can find on the weekend.
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Edit.
My backup plan is to get a multi-meter and do a continuity test to see where the wire from my amp is ending to my OEM receiver harnesses. I've found this picture in a different topic ( https://www.ft86club.com/forums/show...1&postcount=25), so would I just check where the green wire is connected to?
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Here's a better picture for you. Ignore all the colors, go by pin position. This is for all OEM systems up to model year 2020 WITHOUT the Harman head unit. This is NOT verified yet for model year 2022 and up yet, but I suspect it will also apply to those as well.
The speaker-level signal inputs are on the left, the speaker outputs are on the right. The wire in the left-middle position is the amplifier turn-on lead that should supply +12 volts to turn your amp on.