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Will a Zap-Stopper prevents this problem of high voltage spike? I understand Zap-Stopper is a zener diode. So I make myself one using 3-4 pcs of 24V 5W zener in parallel and connects it to the alternator output. I imagine a 100V spike would be shunted by the zener when the voltage raises to pass 24V and should there be any reverse voltage from say an induced lightning, that will also be shunted (forward bias) immediately. I haven't any proof this works but in theory.
ps: ibdavis, welcome to "I'm an idiot Club". I'm member too. Recently I drove my boat over a submerged breakwater and broke the rudder mount. I thought I saw the rocks, but somehow the grey matters the holds that piece of info decides to quit at that very moment !
2002 Hunter 326, SV Millennium 2
1999 Macgregor 26X, SV Millennium
Last edited by trantor12020; 06-07-2008 at 09:59 PM.