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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   Lukewarm Heat............ New antifreeze reverse flush heater core...   multiple warning lights 2013 GMC Terrain 130,000 miles 4 cylinde...   2014 Nissan Sentra Shaking Car recently started shaking when accele...   Buy Flualprazolam Powder Online Whatsapp: +1(424) 328-1086 N/A   1989 toyota pickup 3.0 crank no start I have a 1989 toyota pickup 3.0 crank no...   Strut spring orientation and strut mount tension nut 2017 Nissan rogue awd 2.5 L Put in Monro...   Transmission stuck in part, I have tried everything So I'm working on my elderly fathers 201...   2017 dodge journey LED headlights on/off randomly Year of vehicle 2017 Make of vehicle dod...   Kia Soul starter replacement issues! Okay so my car is a 2010 Kia soul 2.0 en...   Please Help - Knock sound & engine fail Hi all, Hoping to get some insight and ...

Charging problems on mustang Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Car Troubleshooting MikeSD Anonymous Poster mmorton15@cox.net Apr 1, 2007, 12:26 PM Post #1 of 4 (2659 views) Charging problems on mustang Sign In I have a 94 mustang V6. It has been sitting for awhile. I go to start it and it wont. Battery dead. I charge the battery and have it checked out, its fine. Car starts but battery drains. I checked the alternator( which has the voltage regulator built in). So all that is perfectly fine. The car will run for a good amount of time and just slowly start to eat away at the batterys power. I have no idea what to try next. Please someone help. DanD Veteran / Moderator Apr 2, 2007, 3:22 AM Post #2 of 4 (2649 views) Re: Charging problems on mustang Sign In Have the battery recharged and tested again; afterwards connect a voltmeter across the battery terminals. Take a reading of the battery voltage; start the car. You should see an increase of one to three volts almost immediately. Maximum battery voltage should not exceed more then approximately 15.5 volts after the engine has been running for a few minutes. Tell us what you find. Dan. Canadian "EH" MikeSD Anonymous Poster Apr 2, 2007, 10:19 AM Post #3 of 4 (2647 views) Re: Charging problems on mustang Sign In I have done that before and it was at like 12.6..then it just slowly decreases. The battery thats in there now is brand new and so is the alternator. I've tested them both at different locations to make sure. DanD Veteran / Moderator Apr 3, 2007, 5:20 AM Post #4 of 4 (2645 views) Re: Charging problems on mustang Sign In Ok now you’re going to have to check whether the alternator is getting the proper feeds and that the wiring to the alternator is intact. Does the dash have a charge or battery light? If so does the charge light come on when you turn the ignition to the run position? If so does the charge light go out after the engine is running? The bolt on battery terminal at the back of the alternator does it have battery voltage on it? The Black/orange wire. The yellow/white wire in the plug-in terminal at the alternator does it have battery voltage at all times? If not check the 20-amp fuse in the engine compartment fuse panel and or the wire itself for open. The LT green/red in the plug-in terminal does it have power with the ignition in the run position? If not check the 20-amp fuse #18 in the instrument panel fuse box. Check these with the plug-in terminal disconnected from the alternator. Let me know what you find and remember I’m not there to see your test results so be as complete as possible in your report of. Here’s a wiring diagram of the charging system that may help you. Dan. Canadian "EH"   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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