Patent ID: 7057394

Claim:
Apparatus for testing of vehicle electrical systems, comprising: a chassis electrical control system including a body computer having a plurality of output connections and a plurality of input connections for connection to vehicle body electrical systems, the chassis electrical control system being electrically isolated from a vehicle body electrical system; and a portable vehicle body electrical system emulator including, a housing, a harness extending from the housing, the harness terminating in a plurality of test connectors for connection to the chassis electrical control system, a plurality of visual indicators mounted on the housing, a plurality of switches mounted on the housing, a plurality of load emulation circuits, one being associated with and including an illumination element for each visual indicator, the plurality of load emulation circuits including a power dissipating element, and a plurality of input emulation circuits, one being associated with and including each switch, the plurality of input emulation circuits providing emulation of switches installed on a vehicle body.