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hid relays

Discussion in 'Technical forum' started by Yugguy, 18 March 2017.

  1. Yugguy

    Yugguy Torque King

    Messages:
    4,786
    From:
    Rugby (expat Preston lad)
    Car:
    Merc C220Cdi Elegan
    So fitted hid kit today, canbus friendly. Lights OK with ignition on, go off after 5 secs with engine running. No errors so I think it is under volts so ballasts are shutting off. Could fit a relay but then would there not be bulb failure cos no power or connection sensed on the original connectors?
     
  2. T9 man

    T9 man TC Pro Founder Moderator

    Messages:
    20,328
    From:
    London, UK
    Car:
    Saab 9-3SS T9
    Are the fuses still intact Guy? You could fit a relay but in all honesty, with HID's on, if one fails I think you will notice. Are the ballasts definitely for the right lamps? Double check the wiring on the ballasts. Some versions have 3 connections, one to go to the headlight supply and act as a switch line, the other is a heavier feed to go from higher current source, the other is the earth. Try using another earth from the car as opposed to the one on the lighting connector.
     

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