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Lights suddenly not working, any ideas?

Charging System, Wiring, Lighting
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rider5
honda305.com Member
Posts: 40
Joined: Thu Dec 06, 2012 6:15 pm
Location: Alton, IL

Lights suddenly not working, any ideas?

Post by rider5 » Sun Apr 07, 2019 1:34 pm

My '67 305 Dream has decided her lights aren't going to work, both the headlight and brake light. Since it's pretty doubtful that both bulbs would fail at the same time I think it's something else. Could it be the rectifier?

Any thoughts or ideas would be greatly appreciated, thanks.

Geoff Hastings
honda305.com Member
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Joined: Wed Feb 22, 2017 2:59 pm
Location: Epsom, Surrey

Post by Geoff Hastings » Sun Apr 07, 2019 4:26 pm

Rather than speculate as to wether both bulbs could blow simultaneously why not check them? It won't take a couple of minutes. Might be a current spike because of a bad earth, and they did both blow, or, might be you had not noticed the stop light failed until you noticed the head light go.

DJM
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Joined: Thu Oct 09, 2003 1:54 pm
Location: Chesterfield UK

Failed lights

Post by DJM » Sun Apr 07, 2019 5:33 pm

Not likely to be the rectifier.

rider5
honda305.com Member
Posts: 40
Joined: Thu Dec 06, 2012 6:15 pm
Location: Alton, IL

Lights suddenly not working

Post by rider5 » Sun Apr 07, 2019 6:08 pm

Thanks DJM & Geoff Hastings for responding, I'll check out the bulbs.

rrietman
honda305.com Member
Posts: 561
Joined: Mon Oct 13, 2008 6:45 pm
Location: bellingham wa.

Post by rrietman » Sun Apr 07, 2019 10:29 pm

does the taillight come on? if so in which switch position?sounds like a switch problem. the soldered connections on the back of the ign switch are prone to failure. study the wiring diagram and do some continuity checks.
Good luck
Randy

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