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Thread: Hid interfering with car electrics?

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    Default Hid interfering with car electrics?

    Hi all. I had some hids on my old Astra that I took off to put on my 2003 C. It gave me bulb failure, so I went on eBay to a reputable company and brought some cancellers.

    Went ahead and fitted it all today. The o/s ballast and cancellers behind the air box. The n/s inside the battery box. This evening after using the lights I suddenly got an engine management light, turned out to be speed sensor and engine to gearbox can communication failure. I unplugged the hid ballast, cleared the faults and everything was fine till I re connected the lights.

    Is it plausible that the electronics from the ballast will interfere with can communications and causing engine management issues. I'm guessing electromagnetic field.

    Has anyone else had this issue?

    Anyone know a better place to mount the ballast pack?

    Thanks

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    Regular Member MrDerv's Avatar
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    Best place to mount the ballast is under the headlamp itself.

    Are your ballasts Canbus compatible?

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    No they're not. That's why I brought the cancellers. They make them so. No more bulb failure just engine management light. It's one thing after another lol

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    Even if they're canbus compatible, you still need the cancellers for the warning light.

    You'd need canbus compatible ballasts for the Vectra/signum, otherwise they will pulse/flicker, and i'm guessing that's where your interference is coming from.

    I'd tried regular ballasts before the canbus ones and they flickered, and caused interference listening to the radio. No issues with the canbus ones

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    Ah...... That makes a difference.

    I thought the cancellers just made them compatible. So if I brought a set of canbus compatible ones I'd still need the cancellers or are the super sets ok?

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    You'd need the cancellers as well. The cancellers just stop the bulb out warning appearing on the dash.

    The canbus compatible ballast just ensures it will work without issue on canbus cars.

    Just pop in a decent canbus compatible ballast set and you'll be fine.

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    Just ordered a set now from hids direct. 50w 6000k.

    Do you think I may still need to move the ballast position away from the battery box or do you think interference with vehicle electronics will stop with the new digital ballasts?

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    Always a good idea to mount them under the headlamps, also means the rest of the bulbs are accessible if you need to replace them

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