Battery trouble!!!
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Battery trouble!!!
Ok here goes:
Everything was fine a few weeks ago until I tried to jump start a backhoe. On the way home, the gauges go crazy, and go out. Battery light came on. Figured alt. went bad. Put on a new alt. and everything was good for a week, then battery light came on again. Tested alt. at Oreillys and voltage reg. was bad. Changed alt again, battery light on and off still. Turned out the alt. connector pig tail need changing, cut off old one and spliced on new one. No more battery light. 3 days later, batteries were really low, had to jump start. Then the same at lunch time. So, bought 2 new batteries, installed, everything is good. Went home Friday, go to start truck Sunday morning, and nothing. No door locks, no interior lights, no nothing, key code not working, nothing....
Someone please help, I can't keep putting $ in this truck
Everything was fine a few weeks ago until I tried to jump start a backhoe. On the way home, the gauges go crazy, and go out. Battery light came on. Figured alt. went bad. Put on a new alt. and everything was good for a week, then battery light came on again. Tested alt. at Oreillys and voltage reg. was bad. Changed alt again, battery light on and off still. Turned out the alt. connector pig tail need changing, cut off old one and spliced on new one. No more battery light. 3 days later, batteries were really low, had to jump start. Then the same at lunch time. So, bought 2 new batteries, installed, everything is good. Went home Friday, go to start truck Sunday morning, and nothing. No door locks, no interior lights, no nothing, key code not working, nothing....
Someone please help, I can't keep putting $ in this truck
Fleet Mechanic
Joined: Nov 2003
Posts: 1,372
Likes: 14
From: West Cornwall, CT
This sounds like a bad connection between the batteries and your truck's electrical system. A crummy, high resistance, connection will give you this sort of problem.
Recommend removing and cleaning each battery connector and any other large connectors that show any evidence of corrosion. Pay particular attention to the area where you hooked the jumper cables to in the attempt to start the hoe.
Lou Braun
Recommend removing and cleaning each battery connector and any other large connectors that show any evidence of corrosion. Pay particular attention to the area where you hooked the jumper cables to in the attempt to start the hoe.
Lou Braun
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Joined: Jan 2013
Posts: 27
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Did you figure it out? If your batts and alt all test okay, then you are on the right track with an amperage draw. Here is how to check.
Remove negative battery cables. Take a volt meter that can measure amps and place it in-line on one of the batts so that all current is passing through the meter. (Black lead to cable, red lead to batt post) Most meters have a fuse for amp mode, so don't turn the key on or it will draw too many Amps. If it reads even 0.25 Amps this is enough to discharged batteries in just a few days. If it reads amps then pull fuses one at a time till you find the one that is drawing. Go in the owners manual and see what componants are on the fuse that's drawing. Hope you have already figured it out, but if not good luck!
Remove negative battery cables. Take a volt meter that can measure amps and place it in-line on one of the batts so that all current is passing through the meter. (Black lead to cable, red lead to batt post) Most meters have a fuse for amp mode, so don't turn the key on or it will draw too many Amps. If it reads even 0.25 Amps this is enough to discharged batteries in just a few days. If it reads amps then pull fuses one at a time till you find the one that is drawing. Go in the owners manual and see what componants are on the fuse that's drawing. Hope you have already figured it out, but if not good luck!
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