Courtesy or Reading Lamps Inoperative with Lamp Switch. Pontiac Firebird 1999

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 1999 🢒 Firebird 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Courtesy or Reading Lamps Inoperative with Lamp Switch

Step	Action	Value(s)	Yes	No
1	Disconnect the inside rearview mirror connector. Connect a test lamp from inside rearview mirror connector terminal C to terminal B. Does the test lamp light?	--	Go to Step 2	Go to Step 3
2	Test for a poor connection at the inside rearview mirror connector terminal C and terminal B. If the connections are OK, replace the inside rearview mirror. Refer to Inside Rearview Mirror Replacement . Is the repair complete?	--	System OK	--
3	Repair the open in circuit 750 from the inside rearview mirror to S220 Is the repair complete?	--	System OK	--

Step

Action

Value(s)

Yes

Disconnect the inside rearview mirror connector.
Connect a test lamp from inside rearview mirror connector terminal C to terminal B.

Does the test lamp light?

Test for a poor connection at the inside rearview mirror connector terminal C and terminal B.
If the connections are OK, replace the inside rearview mirror. Refer to Inside Rearview Mirror Replacement .

Is the repair complete?

System OK

Repair the open in circuit 750 from the inside rearview mirror to S220

Is the repair complete?

System OK