Find the first whole-house disconnect switch or breaker, usually this is at the meter pedestal for a mobile home. A #6 copper "grounding electrode conductor" should connect the service neutral there over to a pair of 8' ground rods at least 6 feet apart. This GEC needs to be continuous or have "approved" splices, that is, splices that cannot be unfastened and refastened easily.
An additional #6 wire (this one called a "bonding jumper" in the U.S.) is connected from the mobile home frame to the panel ground or a GEC. So, via this wire, the mobile home frame is bonded to the ground rods. If A is bonded to B and B is bonded to C then A is bonded to C. (Meeting code does require components and wires used for bonding to be of certain sizes and materials and attached in certain locations and there are other requirements such as the kind of splices.)
An additional #6 wire (this one called a "bonding jumper" in the U.S.) is connected from the mobile home frame to the panel ground or a GEC. So, via this wire, the mobile home frame is bonded to the ground rods. If A is bonded to B and B is bonded to C then A is bonded to C. (Meeting code does require components and wires used for bonding to be of certain sizes and materials and attached in certain locations and there are other requirements such as the kind of splices.)
