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Old 06-04-2014, 06:00 AM   #11
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All Vehicle headlights are protected with circuit breakers instead of fuses because, when light bulbs fail, there is an ionizing arc internally that causes high current. You see that at home - when a light bulb fails you see an instant of very bright light. This pulse of high current can blow a fuse. It also can trip a circuit breaker, but the circuit breaker is designed to reclose while, once a fuse is blown, it stays blown. Headlights are a critical safety device. It is better to attempt automatic reclosure following a fault, than it is to leave the headlights off, in case the fault was temporary. Most are built into the light switch itself.

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Old 06-04-2014, 06:06 AM   #12
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Join Date: Mar 2014
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Originally Posted by DBTSunseeker2300 View Post
I guess you never looked in the fuse box of any of your vehicles because the driver and passenger are on separate circuits. So you are driving without headlights.
Here ya go, find it for the guy. NCV3 Sprinter Fuse Block layouts

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fuse, light

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