Center Mounted Brake Lamp: Testing and Inspection
INSPECT HI-MOUNTED STOP LIGHT CONTINUITY
Using an ohmmeter, check that continuity exists between terminals.
If continuity is not as specified, replace the light assembly or bulb.
INSPECT HI-MOUNTED STOP LIGHT CIRCUIT
Disconnect the connector from the light and inspect the connector on the wire harness side, as shown.
If circuit is not as specified, inspect the power source or wire harness.