Oldgator73
Well-known member
My son has a 1999 GMC C6500 with the 454 gas engine. He drove it to our house yesterday and when he started to leave it wouldn?t start. Everything dead. No lights, no nothing. He purchased a new battery and installed it. Still nothing. He jumped it from my truck and still nothing. Thinking it could be the master fuse or a relay. Any ideas. Before anybody asks we have not found a master fuse and what my son and I know about auto mechanics will not even fill a paragraph.