Review on 🔌 Metra 70-7903 Wiring Harness for 2001-Up Mazda Vehicles: Efficient Installation Solution by Chris Lentz

The only complaint was that one of the horizontal 'walls' was slightly curved inwards which made inserting the dash wiring harness a bit fiddly. But I got through it. The good thing is that this adapter harness includes the extra wires needed to connect when the ASWC-1 adapter retains steering wheel control with the aftermarket head unit. They were already in the right places and matched the wires in the dash wiring harness so I didn't have to remove any clamps, just put them into the wiring harness. I just connected the free ends of the wires to this adapter.