Went outside to start my truck,turned the key to on position the wait to start light was real dim and when i tried starting it nothing the battery gauge just drops andnothing happens when i try to boost it with my dads 24v the starter relay clicks and the starter barley turned over. Next i swaped the starter relay and the ac relay and absolutly nothing not even a click, even when boosted... in need of some serious help this is my daily driver

 

check to see if you have a bad (shorted out) battery.

 

I unhooked both battery posts and cleaned them the ground goes stright to the engine so i dont think is that

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Like its like my batter has a massive load on it when i turn the key to on the lights start dimming even after the wait to start light turns off

 

when the other guy mentioned "shorted battery", he didn't mean an external short somewhere in your truck wiring, he actually meant internally, inside the battery. It's pretty common with the classic rectangular lead/acid situation. what happens is that every time you discharge and recharge, a small amount of plate material detaches from the plates and falls to the bottom of the cell. As the months and years go by, that stuff builds up in the bottom of the battery until the pile of stuff (lead sulfate) actually makes contact with the plates. Ba-da-bing! Shorted battery. Dead cell. If it's only one cell, you go from 13.2 to 11VDC. Your truck might not notice that. Time goes on. Another cell fails by the same process. 8.8VDC. You're unlikely to start the truck, but, if it does, you're thinking "somehow, just didn't feel the same". If you can go along on 2 dead cells, that will give you the time to short a third one. 6.6VDC. It's hopeless, and you're NOT going to start it. You might not even get a proper jumpstart with your own battery connected, because the "good" vehicle will just be passing electricity thru your battery, instead of yours accepting a charge.