Position Lamps Inoperative - Left Side. Cadillac DeVille 2000

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2000 🢒 DeVille 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Position Lamps Inoperative - Left Side

Step	Action	Yes	No
1	Did you perform the Lighting System Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Lighting Systems
2	Disconnect the LH POS LP relay. Probe the coil side feed circuit of the LH POS LP relay with a test lamp that is connected to a good ground. Did the test lamp illuminate?	Go to Step 3	Go to Step 11
3	Place the headlamp switch in the LH position lamp position. Connect a test lamp between the coil side feed circuit of the LH POS LP relay and the control circuit of the LH POS LP relay. Did the test lamp illuminate?	Go to Step 7	Go to Step 4
4	Test the control circuit of the LH POS LP relay for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 13	Go to Step 5
5	Inspect for poor connections at the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 13	Go to Step 6
6	Replace the headlamp switch. Refer to Headlamp Switch Replacement . Did you complete the replacement?	Go to Step 13	--
7	Probe the switch side feed circuit to the normally open contacts of the LH POS LP relay with a test lamp that is connected to a good ground. Did the test lamp illuminate?	Go to Step 8	Go to Step 11
8	Connect a test lamp between the switch side feed circuit to the normally open contacts of the LH POS LP relay and the switch side load circuit of the LH POS LP relay. Did the test lamp illuminate?	Go to Step 9	Go to Step 12
9	Inspect for poor connections at the LH POS LP relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 13	Go to Step 10
10	Replace the LH POS LP relay. Did you complete the replacement?	Go to Step 13	--
11	Repair the feed circuit of the LH POS LP relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 13	--
12	Repair the open in the switch side load circuit of the LH POS LP relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 13	--
13	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2