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FJR Motorcycle Forums
Technical & Mechanical Problems
Brake light stays on - not the common problems
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<blockquote data-quote="Constant Mesh" data-source="post: 1249521" data-attributes="member: 615"><p>First, remove the Hazard Lighting fuse (10 amp) and see if the brake lights go off. This fuse powers the parking lights, license plate light, and turn signals. The brake lights are fed from another fuse but it's possible there is a short circuit somewhere in the rear lighting fixture or its associated wiring which might erroneously power the brake lights from the parking lights circuit.</p><p></p><p>Next, disconnect the brake light relay from its wiring harness connector. The brake lights should go out with the relay removed. If the lights remain on there's a wiring harness problem between the relay and the brake lights.</p><p></p><p>Power the relay coil and see if the normally closed contact opens with the coil energized.</p><p></p><p>Check the coil circuit and the two brake normally closed switches for problems.</p><p></p><p>Maybe the ground at the end of the coil circuit is open circuited due to problems in the grounding harness. If so, the relay coil can't be energized.</p><p></p><p>Should be an easy problem to solve once you've accessed the relay.</p></blockquote><p></p>
[QUOTE="Constant Mesh, post: 1249521, member: 615"] First, remove the Hazard Lighting fuse (10 amp) and see if the brake lights go off. This fuse powers the parking lights, license plate light, and turn signals. The brake lights are fed from another fuse but it's possible there is a short circuit somewhere in the rear lighting fixture or its associated wiring which might erroneously power the brake lights from the parking lights circuit. Next, disconnect the brake light relay from its wiring harness connector. The brake lights should go out with the relay removed. If the lights remain on there's a wiring harness problem between the relay and the brake lights. Power the relay coil and see if the normally closed contact opens with the coil energized. Check the coil circuit and the two brake normally closed switches for problems. Maybe the ground at the end of the coil circuit is open circuited due to problems in the grounding harness. If so, the relay coil can't be energized. Should be an easy problem to solve once you've accessed the relay. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Brake light stays on - not the common problems
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