Give your Classic Car Electric Power Steering - HOW TO 

Were you able to do a modulation knob? if so where did you find it?

@@cobimcbride9591 I'd like to know this aswell

I thought I posted the sensitivity knob in the video where to get it on eBay. At least what the listing looked like. Is that what your talking about?

Using a Prius design if anyone knows how I can do the sensitivity adjustable knob or where to buy the plug and play thanks

@terrance do you have details on your setup

Thank you. Appreciate it

I just fabricated the bracket for my Prius steering on my car man thanks a million I really appreciate ur video it kind of gave me the go ahead once again man thanks

Yes! Parking lots were/are not my friend. It’ll be easier to steer but now I really gotta get an lsd (currently welded) and then they will be no issue at all 😄

@@StewartMotoring yikes a welded diff and a parking lot sounds like a inner circle of he&&!

Yea that would be the next level for sure. I have an ecu master emu. It should be smart enough to program something like that. I’ll have to look into it.

This is what I did. I'm running a Prius EPAS system. I built a config page where I can build input control maps based on the VSS.

By factory do you mean stock from Datsun?

You are right about needing water proofing. I killed a stock ECU with rain water. I don't feel the need for adjusting the power steering for my DF Goblin, but there is an aftermarket controller that has GPS speed information, and will adjust the sensitivity based on speed.

I don’t drive the car in the rain but if you do you’ll want to design with that in mind, I did add a shield for it though just incase

I actually didn’t run a fuse for the big power wire it, I suppose I could or should. I just used oversize wire and the ps motor shouldn’t pull over pull. But I guess a fuse anyway would be a nice safety. May do that later. Accessory wire is ran to a power block which is protected by a fuse.

It’s called a LOKAR universal throttle cable. Just adapted that to work for my setup. Not overly priced either. Bought on ebay.

What do you need this return steering wheel function for?

@@StewartMotoring I have a drift car, so in my case it's very important to return wheel going sideways

Not the way it’s setup currently. Would have to integrate some kind of speed sensor input data.

Not sure what you mean by numb, but since I have the dial for assist I can really get any feel I like. No issues since installation. Sometimes I turn it off and I just can’t believe I used to drive drive without it.

@@StewartMotoring numb as in less road feel than before installation.

Yea

No issues, still works good

@@StewartMotoring that’s great the instructions that came with the power plug, said to use 2 awg. I thought that was way over kill. did you run any type of of fuse or circuit breaker on the power supply wires?

My battery has a breaker type fuse which is maybe 150 amps, but my power wires runs from there to alt/starter/power steering. So no specific fuse for the ES motor.

@@StewartMotoring good to know I read on forms that they want to in-line 50 to 60 amp fuse or breaker in between it so if yours is working fine then I’m good with not putting one in. Thanks for the fast reply.

If you can fit it under the dash go for it. I don’t expect my engine bay to get wet. It may get hot but should be alright.

@@StewartMotoring Expect the unexpected and plan for the worst case. Your installation looks a bit unsafe.

If electric steering fails it will revert to manual steering. Which this car had manual steering from factory. It’s fine bud

The eBay wiring kit has a diagram

It would not. What’s nice is the engine does not have to be running to have the benefit of electric steering. I often push my car around the garage and just need to flip the power switch.

@@StewartMotoring sorry I meant more the motor of the power steering pump itself, not the actual vehicles motor.

Oh, if the steering motor dies then it would just become manual steering. No assist.

Ebay

@@StewartMotoring how much to get a mechanic to install it ?

😂

Thanks, I’ll let you know how it holds up when I drive into a lake.

" It can be done with a $10 arduino and a bit of playing around with some cheap components." I'd like to see how that works. Have you tried doing it?

@@acescottking I've not done it with a power steering mod as my old banger is stone age stuff. It all depends on the type of power steering you get and the type of car you have. If you can't get a signal from an ecu (mine is purely mechanical), then you need a method of calculating speed. I would use a $5 hall effect sensor module on the tail shaft and feed that into an input pin on the arduino. Then it's a bit of maths to figure out how many rpm of the tailshaft equals how many k's or m's per hour. Then use the outputs of the arduino to drive a 12v pwm module in place of the potentiometer. Then of course there is a bit of coding to figure out the output voltage curve to the rpm. But some of the power steering units I've seen won't accept an analogue signal and need a digital input from the ecu. If that's the case then you need to figure out what that signal looks like and get the arduino to replicate it based on the calculated rpm. I built a system like this years ago for a different application but using a mini plc instead of an arduino. Like I said, I probably won't do all that. I'll have a button that operates a cheap timer driven relay. The normally off contacts will allow 12v through a resistor set for high speed and the switched contacts will connect 12v through a resistor set for low speed. That way it's fail safe (switches to reduced assist in case of failure). I built one of these for an application in my garage and it cost me about $6 (and no coding!). The downside is, it's not variable and you only get good assist when you press the button. But either of these methods is infinitely safer than a potentiometer.