Motorcycle Discussions > American Bikes

any Electrical Gurus out there?

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Tom Walker:
I have built a Harley special, without room for a normal Harley sized battery. I have to use a small gel type. The charging system works, just too well! The headlight is too bright and blows bulb after a while. The battery overcharges and gets hot. I am using a Zodiak solid state regulator. The engine is a 1970 something Shovelhead.

Can anybody suggest a way forward? thanks, Tom.

mark2:
try connecting it to a standard battery and see if it is still the same , 70s shovel over charging is rare , they had lots of problems with the rect/reg unit along with the silly two pin plug at the front , most of these problems are caused by a poor earth on the unit , im not sure about the gel battery and I take it you have the kicker conversion  in place 

Tom Walker:
Thanks Mark. I can see the sense in doing that to check if regulator is working. If it is, is there any way of reducing the alternator output? Maybe fit some kind of resistance?

mark2:
what are you reading across the battery now ?

Tom Walker:
Start with charged baattery. No great draw cos I kick it. (ie one accel coil) Running for 5 mins still showing 13.5 volts.

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