The battery won't keep a charge or it won't when it is in the truck? Will the battery keep a charge if you put it on the charger and then unplug it overnight, all of this out of the truck. Then in the morning will it start the truck. If not your battery is bad. If it keeps a charge and will start the truck and then it goes dead after several hours, your truck is drawing a load on the battery. You will have to find what has been left on or shorted out.
wouldn't it just be easier to disconnect the battery, wait until morning, hook the battery back up and see if the vehicle starts. If it doesn't than the battery has an internal draw.
If you did it your way you still wouldn't know if its the battery or the vehicle since the battery was on the charger overnight.
maybe you forgot to read that I said do all of this out of the truck!
"Will the battery keep a charge if you put it on the charger and then unplug it overnight"
that's the part that had me confused?
If it was phrased
Disconnect the battery from the vehicle. Place the battery on a charger until fully charged. Remove the charger and let the battery sit overnight. Reconnect the battery to the vehicle. Does the vehicle start?
Might have made it a little clearer. Not arguing just saying...
I know I could have phased it better. I put the charging thing in there and realized I never told them to disconnect the cables. I didn't know we were looking for proper grammer on here. Half the time I can barely read the question, either bad grammer or spelling so bad I can hardly make half the words out.
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you have a draw in the system.you will need a voltmeter capable of reading amperage or a low amperage probe. if you have either of these let me know and I'll walk you through the steps.
First do a battery test to see if it passes, but my guess is you have a parasitic draw someplace in the system.
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