I have seen the older style ballast refuse to fire with original wiring. On 17 February 2015 at 11:57, Neil wrote: > Whereas I do like the light output and color (clean white) from these, > I'm thinking that if I do that, I'm putting in stock bulbs. Car is not > really going to be a daily driver, so it's not critical to have the HIDs. > > Cheers, > -Neil. > > > On 2/17/2015 10:06 AM, Dave Lagzdin wrote: > > Neil, I would try change the ballasts, newer ones could be better > behaved. > > lots of discussion on analog vs digital- eg: > > > > https://www.youtube.com/watch?v=3DI_vlOF_b9rw > > > > On 17 February 2015 at 08:13, Mike wrote: > > > >> Randy Dawson hotmail.com> writes: > >> > >>> Here's the low-tech, non-electronic fix. The part you want is a > >> "Negative > >> Temperature Coefficient > >>> Resistor" a NTC. Put these in series with your lamps, they are > >> available > >> with a starting resistance of a few > >>> ohms to hundreds of ohms - for a 12V system pick a range of 20 ohms o= r > >> less (or they will never heat up) > >>> When they do heat up, they go to almost zero. An added benefit, it > will > >> add life to your lamps. > >>> Randy > >> This may work for conventional filament lamps, but HID lamps use a hig= h > >> power inverter (a.k.a 'Ballast') to get sufficient voltage to both > strike > >> the lamp (~15000v) and keep it running after (80v at 1/2 amp or so). > >> > >> Any significant resistance in the supply path will prevent the lamps > from > >> starting, in fact the OP's symptoms (initial flash then a re-start) > suggest > >> a poor supply or ground, and if this is shared with the ECU then it's > not > >> surprising things are going pear shaped. > >> > >> Mike > >> > >> -- > >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > >> View/change your membership options at > >> http://mailman.mit.edu/mailman/listinfo/piclist > >> > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .