I went to start the truck gloplug lihgt came on did not start turn it off tried it again anthe gloplug light did not come.changed the gloplug relay that is next to the fuel filter canister it look like a starter selinoid still will not come on. I can run a jumper wire an get them to come on and can start it but when I take the jumper wire off it dies an it will not stay running. Can you help