2009 Arctic Cat 150 ATV Service Manual, Page 74Get this manual
RegulatorRectifier The regulatorrectifier is located on the right side of the frame above the rear wheelVerify all other charging system components before the regulatorrectifier is replacedTESTING
3Turn the ignition switch to the ON positionThe meter must read battery voltageNOTE: If battery voltage is not shown on the meter, troubleshoot the battery connections, ground connections, and starter cable connections