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Old 09-14-2007, 09:35 AM   #358 (permalink)
Gnatman
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Join Date: Nov 2006
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Quote:
Originally Posted by Orient Express
You probably are, or at the very least you did not prepare very well by researching you car's electrical system. :)

Modern cars, including the Civic are not only fused for the main lighting circuit, but each individual lamp wiring leg is redundantly fused for exactly the reason that you state.

You simply duplicated something that was already there.

Your owners manual can be very enlightening reading, if you choose to do it.
I was researching the HID subject and came across this response. Yes, each bulb harness is wired in parallel and protected by a fuse. Yes, it is done so that when one bulb goes out due to a fuse going out, you will have the other to get you home. This only works to a point.

A couple of days ago both low-beam bulbs burned out at the same time while I was driving. No electrical problem caused this. The bulbs were the Sylvania Ultra and were about 10-months old, about the time for them to burn out based on other people that use them. I had to use the high beams to drive. It got me home, but made for some very unhappy on-coming traffic.
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