Battery Warning Light?
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Battery Warning Light?
Yesterday my wife reported that the battery indicator light came on in the truck. The stock voltage gauge looks okay. I have a BrakeSmart brake controller installed and it shows 12.x volts when the truck is turned off and 11.x volts when it is running. Initial testing looked to be a battery. The one on the driver side looked to be the factory battery and little green eye was gone. Soooo I put in a new battery. Nope. Light still on. We put a tester across the battery on the driver side when the truck was running. It read 12.x volts. The guy with the tester (at NAPA) said it should be 13-14 there and that the alternator is going.
Does this sound like an alternator? I picked one up and they are not cheap (as I am sure all of you know). I am thinking that if the alternator is running low but not caput then perhaps the driver side battery just is the first sign we have seen of the problem. It might have come back with a charge.
Any help is greatly appreciated prior to putting this alternator in. Also no codes are set in the computer.
Does this sound like an alternator? I picked one up and they are not cheap (as I am sure all of you know). I am thinking that if the alternator is running low but not caput then perhaps the driver side battery just is the first sign we have seen of the problem. It might have come back with a charge.
Any help is greatly appreciated prior to putting this alternator in. Also no codes are set in the computer.
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From: STEPHENVILLE,TX!!!!!
yeah sounds like an alternator to me, make sure and go through and clean all your connections really good also. sounds like its jsut not charging back up see if your serpinetine belt isnt slipping either. that brake smart controller is the best isnt it?? ive got one in my truck and wont have anything else ever again
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BrakeSmart rocks like no other. I was actually extremely surprised when I went to pickup my 36' gooseneck that Trailers of the East Coast does not sell the BrakeSmart. In fact they knew nothing about it. They sell the inertial ones and gave me the line about how it uses the same circuitry that guides missles use and it is the best...blah blah. The service guy that installed mine and tested it prior to turning the truck and trailer back over to me seemed impressed.
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It was the alternator. The main cable coming off the alternator had a nearly destroyed connector on it. The rubber boot had solidified into plastic and there was lots of the corrosion and black charing on it. The connector broke before I got it off. So that needed replacing anyway. Put the Napa lifetime warranty alternator on it. Took about 15 minutes.
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andyofne
1987 - 1996 F150 & Larger F-Series Trucks
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Oct 9, 2016 02:58 PM
