80 Series speed sensor/factory cruise plug location.

[Simmo88]

Hi,

I have an aftermarket cruise installed on my GXL. However, I keep loosing the magnets in the bush. I read the manual that came with my cruise and I said I could use the pulse from the speed sensor.

So I was wondering where exactly the speed sensor wire runs to and from, and where the easiest place to pick it up from would be. The other option I thought of was tapping into the factory cruise plug, assuming the speed pulse is sent there. Where exactly is the factory cruise plug located?

Cheers,

[crankycruiser]

the speed sensor is at the rear of the t case..

I hd to tap into my speed sensor wires for my converter box for my LS1,(thats a hole nother story!), but if u pull ur glove box out u can actually find the speed sensor wire in a connecter behind the glove box... if u unplug the speed sensor u can buzz it out with a multimeter.

there is 3 pins on the speed sensor..

one is a +voltage
one is - neg
the other is the pulse

now the pulse one should be red with a green trace.

like i said u can find that in one of the connectors behind the glove box. u would also be able to find it behind the cluster.. but that would be a prick of a job i rekon!

[thrashlux]

what year cruiser do u have not all have the sensor on the rear of the transfer
some run a cable

either way the best signal (cable and electronic) is the signal that is developed in the instrument cluster it is s strong signal designed for driving all the systems in the car that require a speed input ie cruise control, autocomputers, ecu speed input, speed sensing power str.

the one from the gear box / transfer is only designed to run the dash

the factory cruise plug has the speed sensor signal (the one from the dash) and it is located in the driverside foot well

[Simmo88]

Thanks for your help so far.

Its a 1993. I had abit of a look around behind the glovebox area, couldn't find the plug, just heaps and heaps of wires, and several big plugs . I did find a 3 pin plug on the back of the transfer. I tapped into that, since I already had the cruise wires going to the tailshaft for the magnets. No luck. I'll try looking in the drivers footwell next.

Any hints on narrowing down the plug? I assume its not going to have anything plugged into it..but maybe number of pins and a colour?

[crankycruiser]

the factory speed sensor may send the wrong pulse out or sumthing?

[thrashlux]

the factory speed sensor may send the wrong pulse out or sumthing?

yeah its not a very clean or strong pulse when taken direct from the sensor
best to use the strong out put from the dash
it is a hard gnd then floats

connector looks like this in drivers side well



i dont have my manual with me to find the colour
if you have a multi meter you can find it pretty easy its not one of the big wires
if you can rotate the wheels some how you will get a nice strong earth pulse

[Simmo88]

Wow thanks for that! I'll have abit of a look in the next few days. I do have a manual, so that might help narrow down the wires.

[crankycruiser]

my guess is that red sucker with the green stripe.. u never know they may have kept the same colour the hole way thru!

[Simmo88]

Well I gave that Red with Green wire ago. No blown fuses or anything, no real luck though either. Did have some weird problems with my auto when it changed into second when I had it wired up a certain way, not sure why, probably distorting the signal maybe :S. Spent some time looking at the toyota manual and the wiring diagram for my cruise, as far as I can tell it should work. I guess it's probably one of those things.

How exactly does the factory cruise work? Like what comes with a factory cruise? Is it just an ECU or does it come with some actuator along with a loom that I would need to install somewhere?

[thrashlux]

Well I gave that Red with Green wire ago. No blown fuses or anything, no real luck though either. Did have some weird problems with my auto when it changed into second when I had it wired up a certain way, not sure why, probably distorting the signal maybe :S. Spent some time looking at the toyota manual and the wiring diagram for my cruise, as far as I can tell it should work. I guess it's probably one of those things.

How exactly does the factory cruise work? Like what comes with a factory cruise? Is it just an ECU or does it come with some actuator along with a loom that I would need to install somewhere?

do you have the diagram ?
pm it to me or post it up i will take a look also can you tell me the exact configuration of your car ie year engine and gearbox

i can check for u if u have the right diagram there were a few different types depending on year model an engine gearbox combo

have u tried the "checking for pulse" test by turning the wheels and looking for a pulse to ground ?
thats the first thing u should do instead of shooting in the dark for the right wire
things can still get damaged even if a fuse does not blow so be careful

i have hooked up aftermarket cruise to a few toyotas before and used this system and pulse type

also a thing to check is if there is any dip switch programming required for the after market cruise

[Simmo88]

I haven't tried the wheel thing, I wasn't exactly sure how I was to test that using the multimeter.

I have a 1993 with the 1fz-fe with the A442F Auto. The cruise I am using is a Dana. I have no more info on it other than it's probably pretty old.

Do you want me to post up the wiring diagram of the car, cause its the one from Max Ellery's 1990-2007 Landcruiser Petrol Repair Manual. So far the wires have been labled correctly. (I managed to find the wire for the dash 'CRUISE' light, also is there a way I can make this work while I'm at it, I noticed it needs to be earthed in order to work.)

Or did you want the cruise control wiring diagram? The diagram I was using for the cruise control can be found here: http://www.rostra.com/pdf/form2481.pdf

The only thing is, it talks about programming switches. Mine does not have that, so I am guessing its a slightly newer model. If you want a pic of the control module I am using, I can post it up. I can tell you it is in a purple box.

When the magnets were on there, it worked fine.

[the_quokka]

The FSM shows Green With Red stripe from "speed sensor". I would like to do this also as i have a 93 auto glx but I have no idea of what ancient model cruise control I've got. I'm guessing the 10 switches in the unit are synonymous with these ones because they match my current magnetic setup -->

http://www.the12volt.com/cruises/cruises.asp


[/img]

[the_quokka]

The FSM shows Green With Red stripe from "speed sensor". I would like to do this also as i have a 93 auto glx but I have no idea of what ancient model cruise control I've got. I'm guessing the 10 switches in the unit are synonymous with these ones because they match my current magnetic setup -->

http://www.the12volt.com/cruises/cruises.asp


[/img]

I'm thinking it's 4000 PPM (pulses per mile) I have to aim for ? FSM says 1 pulse per 15.75 inches to check speed sensor ?

[Simmo88]

I tried taking a wheel of the ground today. Initially I tried with the front wheel, but noticed the speedo wasn't working, so I switched to using the rear wheel just to be sure.

I can not for the life of me work out which is the right wire. The green with red one gives me a 12V signal, so I have no idea. I am sure I am using the right plug, becuase if I ground the wire that is supposed to go to the 'cruise' indicater, it does indeed come on. I found the wires for the brake switch also.

So yeah, I'm out of ideas. Not what I am doing wrong in the way of testing for pulses....