Originally Posted by Martian
Okay, I'm going to get a new battery. Is the relay available from any parts store?
With a charger on the battery, the solenoid clicks. But, I also have the tach going up to about 4000. Why would the tach react like this?
If the relay is buzzing, then it could be rapidly switching current to the coil on and off which the tach would read as revs. Pure speculation though.