Courtesy Lamp: Testing and Inspection

Interior Courtesy Lamp Inoperative

CAUTION: Always make sure there is an electrical load, such as a lamp bulb, in any circuit between battery terminals. Do not make a short circuit between battery terminals with a jumper wire, or hazardous sparking will result.

Step 1 - 9:

Test Description
The number below refers to Step 1 on the diagnostic table.
1. Bulb test. Clip one end of a jumper wire to the negative battery terminal. Clip the other end of the jumper wire onto one end of the bulb. Take the end of the bulb without the jumper attached and touch it to the positive battery terminal.