With a Test Lamp
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the power feed (i.e. fuse, control module) from the suspect circuit.
- Disconnect the load.
- Connect 1 lead of the test lamp to battery positive voltage.
- Connect the other lead of the test lamp to 1 end of the circuit to be tested.
- If the test lamp illuminates, there is a short to ground in the circuit.