JDuncan

iTrader: (3)

I have an S5 that I am trying to get the cruise working in. The computer is S5 and is tested good. The actuator is installed and tests good. Issue is the switch. I know it is an S4 switch. It plugs in fine but doesn't operate the cruise. I have searched and have read that pins can be switched in the plug to make the S5 harness compatible with the S4 switch, but I can't find what exact pins to move. I PM'd Hailers about it, but he hasn't returned the message, and I was hoping to get somewhere on it this weekend.

Anyone else experienced in this?
Thanks,
James

Icemark

The S4 cruise control switch is not compatible with a S5 cruise control brain

HAILERS

I have not answered a PM in years and not about to do so. I even hate E-Mail at work.

I wrote the pins down when I undid that piece of wiring but only God knows where I put the paper.

I figured it out using a meter at the switch itself. Then I'd move the wires around in the plug that attaches to the switch. Then after I moved the wires I checked it out. Then I found it wouldn't stay engaged unless I held the button in all the time. That's where a piece of tie wrap came in. I jammed it b/t the button and surround so it would stay IN all the time. After that it worked for a couple of years as long as the button was not messed with.

Tell you what, if I can find the S5 switch in the shed tomorrow I'll play with it and get back to you. It's just a matter of first finding the Gnd post on the S5 switch and putting a meter on that post, THEN press RESUME and hold that button in while you probe with the other meter lead til it reads continuity. So you've establised which post is for RESUME and a L/R wire should be put in the socket on the plug at that location.

Do the same with the others. Leave that meter lead on the gnd post and then press COAST and hold it in COAST while you probe the other post til the meter *rings* or ohm out. Now there should be a G/W or green/white wire in the plug opposite that post.

Same deal with SET. Push SET and hold it in while probing around til the meter *rings* and you put a Green/Black wire in the plug opposite that post.

Finding the other wires and where they go takes a little digging and messing around. If I find the S5 sw I'll redo what I had done before just for the record.

On a side note: if you need a cruise sw for a series four car, you MIGHT try J-RAT. He mentioned having cruise actuators for sale/whatever so he might have a S4 switch which is what you really need in the long run.

I might mention that when I ddi that wiring swapping, at that time I had no access to S5 wiring diagrams. Since I have those now (free and online) I might be able to figure it out again but this time use the S4/S5 diagrams.

JDuncan

iTrader: (3)

Any help would be appreciated. I don't have an s5 switch to tinker with so I don't know which signals go on which pins in the harness.

Thanks greatly for all your help!!

HAILERS

Yikes. I just realized your going the opposite way I did it. I had a S4 with the S5 switch in it and the wires swapped around. I'll take a look My bad read on the problem..

Tell you what, if I find that S5 switch in the shed I'll let you have it for postage and a buck. Going to have to wait til tomorrow though. I won't be at the house for a few more hrs and won't look til the morrow.

JDuncan

iTrader: (3)

Sounds like a plan. Just give me an address to send the money to.

HAILERS

Here's a thread that shows the switch. https://www.rx7club.com/forum/attach...hmentid=117828

You can see the S5 on the left has a slightly canted face where the MAIN light etc is. Tie wrap comes with the switch, not that you'd need it since your is a S5 car. I'll be looking for it in the morning and will get back to you. And this switch was working in a S4 car with the plug wires to it swapped around. Things CAN be made to work even if slightly disimilar.

Sideways7

iTrader: (7)

So if you have everything all the cruise equipment from an s5 but everything else s4 would it work? I tried searching, but its difficult since you can't search for s4 or s5. If not, I have a switch I can sell you. I might do it anyway since the actuator looks qustionable.

HAILERS

Are you saying you have a series five switch to sell him or a ????????? If it is a series five I suggest he take you up on it. The one I have has fire damage and the tabs with the holes that hold the unit in the surround are broken off, so he'd be better off with one that has none of these *faults*.

If you have a series four car and all the series five parts like the switch, cruise unit and actuator.............I still think you have a problem because the series four plug that connects to the cruise unit will not fit because the s4 and s5 jacks on the unit are different.. I'd try to find a series four cruise unit and switch (JDuncan should have a s4 switch he'd swap you even for) and I think J-RAT might have a actuator or two.

I swapped a S5 cruise control unit with a guy that had a Series four cruise unit. He got mine but I NEVER got his. So much for *trust me*. Just whining.

Fact is I have a pristine series four cruise switch. Being pristine it won't go for a buck.

Sideways7

iTrader: (7)

Okay, thats kinda what I figured. I got everything for 10 bucks at the junk yard, so I figured I might as well try it. And yes, that means I have an s5 switch to sell. For the OP, just pm me for details.
And hailers, I think I'm gonna hold off on getting the cruise stuff for now. I gotta get the car running before I screw with adding extra stuff.
Edit: just found the recipt and it was actually 20 bucks. Oh well.

HAILERS

Duncan, I'd take him up on it.

And tomorrow I'll jpg a picture of the arrangement of what the wires in you switch harness plug should look like. You should compare them with the picture to make sure they are right.

By the way, I looked at the LIST of cars both of you have. Lot of cars there.

Sideways7

iTrader: (7)

Wow, thats a lot of cars Jduncan You definately have me beat on Mazdas. I only have 4 if you count my parts car.

I'm sending you a pm about the switch.

HAILERS

OK Duncan, I removed my cruise switch from my series four and installed the series five again and it works.

If a person has a series four car with series four cruise unit and actuator but has no series four switch and has access to a series five cruise switch, all you have to do is repin the cruise SWITCH plug to look like the attached jpg, AND permanently depress the MAIN button. I used a piece of tie wrap stuck b/t the button and the housing to maintain a full in position on the switch.

The idea here is to use what you have til you can obtain a series four switch, then swap in the new switch after you rearrange the wires again to match a S4.

The first time I did this (couple years ago), I had no diagram for a S5 and had to use a meter to find out what wire should go to which socket and then finally figure out that the MAIN had to be depressed all the time for it to work in a S4 car.

One bad thing about the switch I have. It has fire damage to it. Not too big a deal except on the aft side of the switch handle there is a small panel that is held with one tiny screw. On the other side of the panel is a circuit board with two red wires and two contacts that make/break when you depress the SET button. My switch did not work this morning so I had to remove that cover and clean the contacts. It now works but that panel is fire damaged is going to cause problem in the future.

So Duncan, if you don't buy Sideways switch, give me your address and I'll send this switch to you and you can try it out. By the way, look at the diagram and make sure your cruise SWITCH plug has it's wires in the same place. You can PM me if you want.

HAILERS

Back to your original question about swapping wires in the S5 plug to match the S4 switch. I was reluctant to say how because I've not done it that way, but the more I think about it why not give it a try. There is a jpg attached to this thread that shows a S4 plug pin out.

The pinout is looking into the MATING side of the plug NOT the wire side.

So repin your plug to match the jpg. You will have one wire left out. It will be a Blue/Yellow or L/Y wire. Set it aside and put something over its end to keep it from touohing anything. It was meant for the light that shows MAIN on the face of the unit. It's not required at all for engaging Cruise.

Just remember the jpg is looking into the mating face of the plug NOT the wire side of the plug. Reason I mention this is when I put the s5 back in my S4 I goofed up and thought it was the wire side of the plug I was looking at and gee whiz, the sucker didn't work when I went for a ride. Duh.

JDuncan

iTrader: (3)

I'm going to try and repin the harness plug tomorrow and see how that works. If it doesn't, I'll pick up the switch from Sideways. I'm only hesitant to do this as I am using an S4 surround as well. When I bought the GXL, the interior had been stripped, so I used some of the parts from my parts car to put it back together. Sideways, you don't have an S5 gauge surround do you?

and yep... I have some Mazda's.


The MX-6 is MIA in this picture due to the wife driving it to work...

Sideways7

iTrader: (7)

Well, I techincally have a surround, but it's broken. Some of the thin part that goes over the steering wheel was broken off when the car i'm parting out was wrecked.

JDuncan

iTrader: (3)

In that case, I hope I can make my switch work, as there are no s5 parts cars in the junkyards around here, with the exception of a fairly picked over GTUs.

HAILERS

************************************************** **************

Shame on me. It's viewed from the WIRE side on the SERIES FOUR. Take note that you won't ruin anything if you did it from the front side. Been there....done that with no bad consequences. Still works.