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Thread: A load of parking sensor questions, help req

  1. #1
    Regular Member Mads's Avatar
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    Default A load of parking sensor questions, help req

    Hi i have just received my cisbo front and rear parking system through the post and i have a few questions, so im just going to list them and hope someone can help.

    1.ive brought the vx park assist button for the front sensors, will i have to run a wire from there to the boot to connect up or will there be a loom behind the blanking plate i can use? if i do need to run a wire what types best (speaker wire??)

    2.where do i wire the wires in boot terminals). i have
    yellow +12v reversing
    black ground
    red +12v ign (also will i need to buy a fuse for this system and if so what amp)
    blue braking +12v (this one will be used for parking switch on dash)

    3.whats the best way to stick wires on inside of bumper?

    4.whats the best way to get front bumper wires to the boot?

    5.i need to colour code sensors, do i gently rub down, prime, paint and top coat?

    6.i take it the sensors just push into the bumper and thats enough as it says not to use any glue?

    think thats it for now, going to do it either this weekend or bank holiday weekend, any help appreciated.

    Thanks
    Last edited by Mads; 28th March 2012 at 10:23.

  2. #2
    Ex Vec-C Admin Ian-Highlander's Avatar
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    Vehicle : Insignia Tourer

    Trim : Elite

    Engine : 2.0 CDTI (160ps)

    Year : 2010

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    As no one else has answered I'll do what I can to...

    For starters the factory parking assist switch is not an on/off switch it's a momentary switch so if you want to use it to switch after market sensors on and off you would need to build a latching relay circuit to hang off the back of it for this to work. Your dash will of course however look better with the switch in place.

    The +12v reversing wire needs to be connected to the reversing bulb wire on the rear light clusters from memory this is white with a black stripe.

    The black ground wire can go to any ground point or any solid brown wire in the rear look (all solid brown wires are earth).

    12v ignition feed will need to be taken from the rear fuse box, do you have a multimeter, check for a feed that goes live when the ignition is on in it and use a piggy back fuse holder in it.

    blue braking 12v wire would normally go to the brake light circuit in the rear light cluster (can't remember which wire this is sorry but a quick probe with a multimeter would find it for you easily enough), alternatively wired it up via your latching relay circuit that you've built to the park assist switch or a different on/off switch.

    wiring wise, just make up a loom, get all the wires to the correct lengths for the locations of the sensors and cable tie it up as a bunch, on the rear, these can go through the grommet the number plate light goes through (you'll need to cut a whole in the grommet), if you make the loom the right length you wont need to stick the wires to the inside of the bumper.

    Colour coding the sensors is something I've never done myself, on my old saloon I just bought the ones that were the right colour already, on my estate they are factory fitted so already colour coded but I imagine as long as you protect any other bits of them whilst spraying the main circle, you should be fine.

    Yes, they just push fit if they're after market ones, factory ones have a mounting bracket that's bonded to the inside of the bumper that the sensors clip into.

    Hope this helps
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  3. #3
    Regular Member Mads's Avatar
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    Thanks Ian thats a great help
    how do i go about building a latching relay circuit and could i take the ign live off my after market stereo (cig lighter) for one side of this switch and run a wire from the other side of the switch and connect it to the blue braking wire on the sensor module for the front sensors.

    wheres the best place to run the front wires to the back (inner plastic door seals?)

    can i get the piggy back fuse from maplins with the latching relay stuff?

    many thanks
    Last edited by Mads; 28th March 2012 at 14:20.

  4. #4
    Regular Member Mads's Avatar
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    dp.

  5. #5
    Regular Member Mads's Avatar
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    Well after Ian's advice i decided to get a rocker switch for the front sensors that i will mount on the dash blanking plate, I have also brought 6 meters of 8amp wire and an in-line fuse holder but i still have a few questions.

    1.what amp fuse should i use in the fuse holder? i brought 5amp???

    2.for the front sensor rocker switch, can i use the ignition live off my stereo to one side of the switch and on the other side run the 8amp wire back to the sensor unit and connect it to the blue +12v braking wire? or should i ran 2 wires and get the +12v from somewhere in the back?

    many thanks, getting there, just painting the sensors....

  6. #6
    Regular Member Mads's Avatar
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    DP again!! arrrrhh.
    Last edited by Mads; 28th March 2012 at 21:56.

  7. #7
    Regular Member Zark's Avatar
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    i think i kinda done the same thing for the fronts... i put an on/off switch in the dash and had it to make or break the signal from the brake light wire (intending the switch to isolate the front sensors by stopping the signal from the brake lights.

    it doesn't work quite as intended. in the off position, the led in the switch pulses every few seconds - i'm guessing as the canbus sends a signal to the bulb to check it.

    the led on the switch comes on whenever i brake - regardless of the switch position

    with the switch on the led gets brighter when i brake.

    with the switch on - the front sensors work fine - but when parked close to an obstacle, releasing the brake doesn't stop the buzzer. turning the switch off doesn't mute the buzzer, in fact - the only to mute it is either to move the car or to select reverse momentarily. annoying in traffic as it stays buzzing until the car in front moves off...

    i'm sure that all of these side effects are down to the incompetent that installed it and are probably solvable, i just CBA to be honest

    Good Luck!

  8. #8
    Regular Member Mads's Avatar
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    im not going to use the brake light feed for fronts so i was just trying to confirm if i can use a constant +12v supply from somewhere else that can be made and broken with the switch to turn the sensors on and off when their needed?

  9. #9
    Regular Member Mads's Avatar
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    Bumping in the hope someone can answer the 2 questions in post 5?
    thanks

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    Regular Member Mads's Avatar
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    Bumping in the hope someone can answer the 2 questions in post 5?
    thanks

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