INCREASES YOUR ALTERNATOR'S CHARGE OUTPUT BY .50-.70 VOLTS !!!

HELPS TO MAINTAIN CORRECT CHARGE ON AGM BATTERIES (including OPTIMA, ODYSSEY, NORTHSTAR, X2, Etc batteries) THAT REQUIRE HIGHER MAINTENANCE CHARGE VOLTAGE , AS WELL AS INCREASE THE CHARGING SYSTEM'S EFFICIENCY WITH DUAL BATTERY SYSTEMS USING THE FACTORY ALTERNATOR, AND FOR VEHICLES THAT AREN'T DRIVEN FOR LONG DISTANCES ON A REGULAR BASIS.

Installs in place of the "ALT-S" fuse.  Boosts alternator voltage by 0.5~0.7V. 

2007 - 2014 FJ CRUISER
2003 - 2009 4RUNNER*
2004 - 2009 TACOMA*
Any Toyota/Scion with ALT-S mini fuse.

*This application is for FJ CRUISER (all years), 4Runners, Tacoma and other model Toyotas and Scions which use the STANDARD MINI-FUSE.  If your application uses the LOW PROFILE MINI-FUSE, see my other eBay sale.


Beware of others that do not retain the fuse.