Turn Signal Lamps and/or Indicators Inoperative. Chevrolet Corvette 2003

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2003 🢒 Corvette 🢒 Body and Accessories 🢒 Instrument Panel, Gages, and Console 🢒 Turn Signal Lamps and/or Indicators Inoperative

Step	Action	Yes	No
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Master Electrical Component List
1	Did you perform the Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Lighting Systems
2	Turn the ignition to the RUN position. Turn the turn signal switch to the TURN LEFT position and then to the TURN RIGHT position. Do the turn signal lamps and the turn signal indicators flash?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Are only the turn signal indicators inoperative?	Go to Step 5	Go to Step 4
4	Are all of the turn lamps inoperative?	Go to Step 6	Go to Step 13
5	Leave the turn signal switch at the inoperative side. Using a test lamp, backprobe the control circuit of the turn signal lamp indicator at the instrument panel cluster. Does the test lamp flash?	Go to Step 8	Go to Step 11
6	Disconnect connector C215. Using a test lamp connected to ground, probe the HAZT/SG fuse #15 battery positive voltage circuit. Turn the ignition switch to the RUN position. Does the test lamp illuminate?	Go to Step 7	Go to Step 12
7	Using a test lamp, probe between the HAZT/SG fuse #15 battery positive voltage circuit and the turn signal switch battery positive voltage supply circuit. Turn the ignition to the RUN position. Does the test lamp illuminate?	Go to Step 9	Go to Step 10
8	Inspect the harness connector of the instrument panel cluster for a poor connection. 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 17	Go to Step 14
9	Inspect the harness connector of the hazard warning switch for a poor connection. 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 17	Go to Step 15
10	Inspect the harness connector of the turn signal switch for a poor connection. 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 17	Go to Step 16
11	Repair the open or the high resistance in the inoperative turn signal lamp indicator power supply circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 17	--
12	Repair the open, high resistance, or short to ground in the HAZT/SG fuse #15 battery positive voltage feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 17	--
13	Repair the open or the high resistance in the inoperative turn signal lamp power supply or ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 17	--
14	Replace the instrument panel cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement?	Go to Step 17	--
15	Replace the hazard warning switch. Refer to Hazard Warning Switch Replacement . Did you complete the replacement?	Go to Step 17	--
16	Replace the turn signal switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column. Did you complete the replacement?	Go to Step 17	--
17	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 3