You need to look for an amp draw not voltage. You are on the right track to finding the problem. If you meter has an amp function use that. Connect it in between the battery post and the cable end. Pull the fuses one at the time until the amp reading is gone and that is the circuit that is pulling your battery down.The amp reading you are looking for to pull down a battery over night will be in the 1 to 2 amps. It may not be so easy to see on a analog meter, use a digital if you can. I would start with the Radio, or any add on's such as trailer hitch wiring.
You found your horn circuit pulling amps, then pulled the fuse and it turned off the amps? Is that correct... You left out the fuse and the battery still lost its charge? With the fuse out, get a helper to press the horn button and see if you get a amp reading, at the battery. Next I would disconnect the horns then find the horn relay and pull it. Try this and get back with me. .
I will have to research what else in on that circuit. Do you have amps with the relay only out.? Not the fuse.
Ok, The Horns share a common connection with your steering wheel air bag. Try and pull the air bag fuse also, lets see what happens.
Sorry, been working. If you have pulled the horn fuse and the amps drop to zero. Then the battery should not go dead. Does the battery go down if you leave it disconected over night. Not hook up at all?
Sorry I did not get back to you about this. What if anything new have you done or tried? My next step would be to check all the power ports in the truck. The ports where you plug in your cell phone charger. If something like a foil gum wrapper gets down in one this can happen. Next would be to check the tow light harness if you have one for a rub or bare wire. Check these things and lets see.
Sorry, I have run out of Ideas for you. Please Re-post so others may help you with this problem. This could be a problem with your security system, or door locks. The only other thing I did not have you try was swap the horn relay with some other relay. If the amp draw moves with the relay you have a bad relay. But I do not think that would be the cause your problem.
Sorry I did not get back to you about this. What if anything new have you done or tried? My next step would be to check all the power ports in the truck. The ports where you plug in your cell phone charger. If something like a foil gum wrapper gets down in one this can happen. Next would be to check the tow light harness if you have one for a rub or bare wire. Check these things and lets see. Then , I have run out of Ideas for you. Please Re-post so others may help you with this problem. This could be a problem with your security system, or door locks. The only other thing I did not have you try was swap the horn relay with some other relay. If the amp draw moves with the relay you have a bad relay. But I do not think that would be the cause your problem.
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I used a digital meter and checked each circuit and found that the horn circuit when i take fuse out the amps go away it was reading 2 amps unpluged horns did not help checked ground wire be side battery where do i go next?
yes the amps went away with fuse out got the battery disconected when not testing pulled horns earlier still amps horn wii not blow with fuse and horn relay out with battery conected
yes
I will friday and get back with you thanks
I pulled fuse to air bag it is still reading 1.6 amps what is is next?
I pulled fuse to air bag still 1.6 amps whats next?
Air bag fuse did not help still 1.6 amps whats next?
Air bag fuse did not help taking it out whats next
the air bag fuse did not help whats next
I pulled air bag fuse did not change anything whats next?
pulled fuse in air bag circuit still got amps sorry about taking so long to get back with you had trouble geting on site whats next?
I pulled fuse in air bag circut did not help sorry about getting back you can not getting on this site ths may not go whats next?
pulled air bag bag fuse did not help whats next?
pulled fuse in air bag circuit did not help whats next?
I pulled fuse in air bag circuit did not help whats next?
I pulled fuse in air bag circuit and did not help i will try these other things you talk about
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