A few Voltage Questions...

[thatsgonnahurt 10+ year member]

above 15 volts from an alternator is not recommended. here's a link for http://www.optimabatteries.com/publish/optima/americas0/en/config/product_info/automotive/starter/technical_specs.html optima batteries as an example of what are recommended voltages for a battery.

 

[dvrmstrng 5,000+ posts]

im having the same problem...when cruising and with my gains set properly i get spikes up into the mid 15.x...car is a 2006 grand cherokee...any ideas how to stop this?