I picked up a used MK Powerdrive on facebook a couple weeks ago for my new boat. The seller told me it had pedal issues, unfortunately I didn't bother to look at prices of them before buying. The old style flat plug pedals are NLA, NOS units are very expensive, even used ones are over a hundred bucks, and these pedals are junk from the get go. Additionally, the Copilot add on for the older motors is just as expensive (200 with remote).
I was able to find this diagram online that shows how the foot pedal works.
https://www.garagejournal.com/forum/...ictureid=86120
From there, I used 4 5 pin relays to take place of each steer switch (r1/r2, l1/l2), and then used a wireless 4 channel relay controller from ebay to trigger the left pair and right pair relays, and the third channel to switch the ON function. Inexpensive (30 dollars) wireless control. The same can be done with two DPDT relays, which would simplify the wiring a little bit.
A 1kohm logarithmic potentiometer is supposed to replace the slide resistor in the foot pedal, I have one on the way.
I have also ordered 3 momentary foot switches and a project box, I will make a small pedal base, attach the foot switches, and mount all my relays inside the box. That way I can still have a working foot pedal to go along with the wireless control.
The only function Copilot has that I will not is remote speed control, but at less than half price, I'm willing to make the sacrifice.
So if anyone also has a V1 Powerdrive with a flaky foot pedal, the circuitry inside is really quite simple and an inexpensive replacement can be made that will last a long time.
