Mudcat Café Message

sj

User Name	Thread Name	Subject	Posted
GUEST,BobL	BS: Jump starting an engine (53* d)	RE: BS: Jump starting an engine	16 Feb 12
You got two different possibilities here. If you try jumpering a 12v battery to a 6v one, I'd expect the 6v one to fry, PDQ. HOWEVER, if you (briefly) hook the 12v battery direct to the 6v starter motor, leaving the 6v battery to provide the spark, you may get away with it. This needs you to access the contacts on the starter motor switch, not normally a problem under a car hood but may not be so easy in a jennie set. Oh, incidentally the starter motor is probably not polarity sensitive. Just make sure that those different polarities don't ever get connected to each other...

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