Chevrolet Repair: problems 02 tahoe, intermittent connection, check battery

Question
At least onece a week my message center sometimes reads(battery sign)security)low fuel) and the guages go out? I turn of the truck and sometimes the security light stays on/then after about 4 minutes(off) security sigh goes away
and all back to normal? any sug?

Answer
Hi ruben.... check to see if your alt is putting up enough power...should be 13.9 volts or better at the battery. if not check the connections for corrosion. check battery connections to be sure they are tight, also check connections at the starter and the fuse/relay box. it sounds like you have an intermittent connection problem...hope this helps... merry christmas