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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...   Chevy strut replacement I'm trying to get a sensor of some kind ...   2020 suburban new transmission and issues after install recently had the transmission fail at 11...   Caliper piston post cleaning won't screw in Hello, 2013 Hyundai Elantra limited (ma...

Search Auto Parts Search battery guage reads above 12 volts charging Sign up here!   Email This Post Auto Repair Home>> Truck Repair>> Truck Repair Advice greengrass20 Novice Oct 13, 2009, 9:25 AM Post #1 of 6 (1586 views) battery guage reads above 12 volts charging Sign In 1989 Nissan /Pathfinder.v6 4x4. when accelarating needle goes close to 18volts and head lights get brighter than usual. Hammer Time Ultimate Carjunky / Moderator Oct 13, 2009, 9:31 AM Post #2 of 6 (1579 views) Re: battery guage reads above 12 volts charging Sign In That is a problem and will cause a lot of damage. It's a bad voltage regulator which is built into the alternator so you'll have to replace the whole alternator. Test your battery first to make sure that is good before putting a new alternator in it. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. greengrass20 Novice Oct 13, 2009, 9:35 AM Post #3 of 6 (1575 views) Re: battery guage reads above 12 volts charging Sign In Thank you very much. You have made my day.You are BLESSED! Tom Greenleaf Ultimate Carjunky / Moderator Oct 16, 2009, 10:21 AM Post #4 of 6 (1566 views) Re: battery guage reads above 12 volts charging Sign In He sure is greengrass20! Don't allow the high voltage. It will blow bulbs all over the place and be a real pill and other things possible! T greengrass20 Novice Oct 16, 2009, 6:02 PM Post #5 of 6 (1556 views) Re: battery guage reads above 12 volts charging Sign In Thank you. Tom Greenleaf Ultimate Carjunky / Moderator Oct 16, 2009, 11:12 PM Post #6 of 6 (1551 views) Re: battery guage reads above 12 volts charging Sign In GG - expect higher than 12 - like 13.8 to 14.5 or so while running - no more! T   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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