92 explorer bigs down and throws CEL

[PROstatus]

alright, the other day my explorer started to bog down when i hit the gas and throw the cel and the battery gauge would go all over the place. It would be fine in higher rpms though. I just put new terminals on the batt and got the batt and alt tested. theyre both fine. also any one know how to check the code in a 92 explorer?

 

[adsm08]

Check the library for how to get codes. Then get codes and come back.

 

[PROstatus]

well, somehow the battery died when the truck was off. I hooked it up to another truck to jump it let it run for about 20 min and all it did was click. I was told to check the starter the solenoid could of froze up and check the positive wires going to the battery anything else it could be