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Post by alisey on Jul 18, 2014 22:02:55 GMT
So the other day my scooter failed it's MoT because the horn was too quiet. I assumed the horn was on it's way out and went ahead and bought a new one. However when I fitted the new horn it was also too quiet! I checked the connections and the (visible!) wiring which did not show up any faults. I then did a bit of online research and found out that possibly the battery has too be in for the horn to be loud.
Earlier in the week I removed my battery to check it because the electric start wasn't working. Low and behold I did a voltage test and the voltage was lower than it should've been. I then did a drop test and the needle went straight to zero. Remember when testing a battery the voltage may be ok but this does not mean the battery is good. You have to also do a drop test with a battery tester to really test the battery.
Anyway I fitted a new battery and now the horn is loud and the electric start works - woohoo. (Even when the bike had no battery before but was actually running, this did not help and the horn was too quiet.)
So if your horn is too quiet make sure your battery is in good condition!
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Post by sbwnik on Jul 18, 2014 22:12:34 GMT
The only essential thing on the DC side is the horn, so apart from anything else, it's a good indicator of battery condition
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