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Thread: Cruise Control on 53 Plate 1.6 SXI Z16XEP

  
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    Cruise Control on 53 Plate 1.6 SXI Z16XEP

    Hey Guys,

    I have just spent a while looking for help on this and thought I would post on here.
    I have 2003 53 Plate vauxhall astra SXI. It has the Z16XEP 1.6 16V Twinport.
    Over 2 years ago i went out and bought the cruise control stalk and the Switch for the Clutch, stupidly without even checking if inside the steering column the cable was there.

    Anyway I have been reading on here that people have manually wired the cruise control into their ECU. I seem to only find details for people doing this for diesels, is there any info on the model I have??
    I am an electrical engineer, so can quite easily do it. Just finding out what neccessarly needs wiring and where to?

    It would be nice to get working!!

    Look forward to your replies...

    Thanks
    Mike

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    Autosparks's Avatar
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    Welcome Mike

    Being a electrical engineer you will have no problems following a wiring diagram, does the Haynes manual cover your car so you can use those diagrams?
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
    Electrical fault finding also taken on
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    I have not got a Haynes Manual for the car :S
    I used to have one, but that seems to have taken walkies...
    The only problem is that the Z16XEP is not a common engine on models older than my own...

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    Starting with the stalk it will have a 4 pin plug for the cruise control which should be labled A, B, C and D

    A goes to pin 62 on the ECU
    B goes to ignition live
    C goes to pin 44 on the ECU
    D goes to pin 29 on the ECU

    On the clutch swith one side goes to ignition live and the other goes to pin 61

    Finally your car needs a double brake switch with pins 1 and 4 on it going to ignition live, pin 3 going to the brake lights as usual AND pin 5 of the ECU and pin 2 going to pin 13 on the ECU

    All of the above pins are in the lower of the 2 ECU plugs and if the car already has wiring going to the pins under the bonnet the wire colours are as follows

    Pin 5 Black/Yellow
    Pin 13 Brown/Grey
    Pin 29 Black/Yellow (just to confuse you)
    Pin 44 Black/Brown
    Pin 61 Grey
    Pin 62 Black/Red

    Think thats about all the info I can supply

    Andy
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
    Electrical fault finding also taken on
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    Your such a legend AutoSparks!!!
    How easy do you reckon this is to wire up! As i havent looked at it yet properly, just reading about online. Should i wire direct into the back of the Plug that goes into the ECU?
    Also i could not see that the brake switch is a double brake switch...

    What about this ignition live? Where should that be?

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    With knoledge on car electrics it should be easy enough.

    If it was me doing it and the wiring wasn't at the ECU (you may find it is there) i'd get to a scrap yard and try to find the same pins on a different vauxhall ecu harness so that you can remove them and insert them into yours. I'd never recomend wiring direct to the back of the ECU plug

    If your brake switch isn't a double one you need one. The brake works on a normally open circuit and the cruise control a normally closed one.

    Finally the ignition live all comes from the same fuse that controls the brake light switch so you an hook it all up to there
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
    Electrical fault finding also taken on
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    Is it easy to get the multifunction display working on the car too?
    I beleive that this could be done on the same job

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    You can get it working in a basic fashion showing mpg rage etc but I have not looked into how

    This you would need the display and connector that plugs into it from another car. I also believe that the display needs to be programmed for your engine
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
    Electrical fault finding also taken on
    Located in N/W London HA3, and willing to travel within reason





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    ah i see
    I will leave this for now!
    Haha...
    You have been an amazing help.
    Just wondering whether I should do it over the next few days. I am going to the french alpes next Saturday. hmmm...

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    If you do it let us know how you get on
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
    Electrical fault finding also taken on
    Located in N/W London HA3, and willing to travel within reason





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