One touch power windows for an M2

by Manuel De Brito - debrito@rcn.com

I ordered the One-Touch Power Window Control Modules from Duetto. $69.00 + $6.00. The 2 modules are small enough and have enough wire to fit under the passenger air bag switch in the dash. All the wiring is done at the wires leading to the power window switch under the console. If you know how to tap wires, this is a piece of cake. I thought I would need to take pictures, but other than the console coming out, it was all splicing. I've included the wiring splices color coding. Here are complete directions.

Remove console:

• Unscrew the shift knob.
• Taking out 5 phillips head screws:
  • 2 on the side of the console towards the front of the console.
  • 2 on the inside of the compartment.
  • 1 when you take the ashtray out by pulling it out. Don't forget to take a pair of pliers to the little plastic piece next to the screw in the ashtray - squeeze it and push it through the bottom of the console.
• Lift the front of the console with a bit of force until it untabs from the dash. When you have the console front up. be sure to unlatch the power windows plug from the switch before pulling the entire console off.

• Take the console to a work bench or table and untab the power window switch from the console.

The wiring is as follows:

• There are two wires need to be tapped for both modules at the wires leading to the power window switch under the console.

Miata Function Autoloc Module

You need to cut 4 wires leading to the power windows switch. Make sure you leave enough wire on both sides when you cut it to work with the splice. In other words, cut it 3 -4 inches from the power window switch. They are: 

When you cut the wires, you will now have 2 halves to the same wire. One going to the switch and one going to the window motor. Splice as follows:

Green/red stripe to the window motor goes to the autoloc green wire.

Green/red stripe to the window switch goes to the autoloc brown wire.

White/red stripe to the window motor goes to the autoloc blue wire.

White/red stripe to the window switch goes to the autoloc white wire.

The 2nd module wiring

Red/black stripe to the window switch goes to the autoloc brown wire.

Red/black stripe to the motor switch goes to the autoloc green wire.

Red/green stripe to the motor switch goes to the autoloc blue wire.

Red/green stripe to the window switch goes to the autoloc white wire.

Plug in both modules. Tuck the modules under the passenger airbag switch. It's a tight fit so it won't rattle.

Before you put the whole thing back together, take the Miata power window switch I had you take out earlier, plug it in. Turn the key to the ignition on and test. The entire process took 1.5 hours with 2 beer breaks.

Now put the whole thing back together. Works great for me and it could for you too! As usual, do at your own risk.