Good morning, Robert.

                Such a nice day today  .
 
 JP>         Voltage spikes are deadly to solid state circuits. I have placed
 JP>         mosfets across all the + & - on my boat insruments because once,
 JP>         when starting the engine, the log got zapped. No mas !

 RS> Just how do you have those transistors connected
 RS> and what do they do?


        Arrrhhh! Another booboo ! I wrote mosfet when I should have
        typed in mosorb. These little resistors look-alike, are passive
        until their rating is reached. I installed 17 v mosorbs across
        the + and - of all the instruments and any time a voltage spike
        ran through the system, if it reached that rating it was
        directed promptly to ground. Saved them for the last 21 years, I
        have just sold that sloop.

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