Question about Harley Davidson Harley-Davidson Motorcycle Desktop Telephone

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Head lamps On 2003 Road Glide when I switch from low beam to high beam my fuse blows,need help.

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On the left handlebar the beam switch has an input wire and 2 outputs. The yellow output is low beam and the white is high. The wiring harness exits the switch housing and resides in a dimple on the bottom side of the handlebar. This is a very easy place to pinch a wire. Have you replaced grips or installed chrome switch housings? Yank the connectors off the headlights and try it again. If you have a broken filament that is touching the other filament it will draw way too much current, and if it doesn't kick with the lights unplugged then one or the beams is bad. One other thing that is rare: I have seen a failed dimmer switch turn on high and low beam at the same time. Temporarily install a higher amperage fuse that won't blow and look at the filaments through a welding hood to see if they are both on. Do this last.

Posted on Jan 01, 2009

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