Under dash driver side well it started like this

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Driving along truck just stop running it's I brought the truck ran out is gas. Cause I just got the truck and the fuel gage was of. Our gas in it still no run. Took air cleaner off to see if it was getting gas nope bo so I add sone into the intake then it would run then stop no fuel getting ti injectors. This a 1991. GMC SLx Sanoma pickup truck 2…8 little. I got truck towed home .first I looked at fuses ECM 2b far was blown put fuse in and it started and ran it for about ten min and it stopped running blew the same fuse I thought b ad ground or a short well I found wires that run under the driver seat that where broke and appeared to have shorted fixed wires . N ow u tried starting no start it cranks but no start no fuel but ecmb fuse did blow . Ok ha fuel replaced truck started right up drive around got parked next morning it in truck no start crank no fuel and no spark so I replaced the fuel pump relay and it started tuned it off try to restart again n

What makes this problem better or worse?

Don't mater

How long has your 1991 GMC Sonoma had this problem?

It's been run ni run for 3 weeks