Test X: FOGLIGHT Indicator Inoperative

NOTE: For circuit identification, see EXTERIOR LIGHTS article.

If lighting system diagnostic system check has been performed, go to next step. If lighting system diagnostic system check has not been performed, see LIGHTING SYSTEM DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article. After performing lighting system diagnostic system check, go to next step.
Turn ignition on. Turn parking lights on. Turn foglights on by depressing button on foglight/release switch. If foglight indicator operates properly, problem may be intermittent. To diagnose intermittent, go to INTERMITTENT TROUBLE CODE DETERMINATION in BODY CONTROL MODULES - CORVETTE article. If foglight indicator does not operate properly, go to next step.
With foglights on, using test light connected to ground, backprobe underhood fuse block connector C2 terminal D1 (Purple wire). See Figure and Figure . If test light illuminates, go to next step. If test light does not illuminate, go to step 7 .
Remove foglight/release switch. See FOGLIGHT/REAR HATCH SWITCH under REMOVAL & INSTALLATION. With foglights on, backprobe foglight/release switch connector terminal No. 5 (Purple wire). If test light illuminates, go to step 6 . If test light does not illuminate, go to next step.
Repair poor connection or open in Purple wire between foglight/release switch and underhood fuse block. After repairs, go to step 8 .
Replace foglight/release switch. After repairs, go to step 8 .
Replace underhood fuse block. After repairs, go to next step.
Recheck system operation to verify the repair. If system operates properly, repair is complete. If system does not operate properly, go to step 3 .