TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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e48A. ALL MARKER LIGHTS DO NOT ILLUMINATE IN NORMAL MODE (CONT) TM 9-2320-366-20-1 2-604.62 Change 1 KNOWN INFO WARNING Read WARNING on following page. TEST OPTIONS REASON FOR QUESTION Voltage Test or STE/ICE-R Test #89 4. Circuit breaker CB67 OK. No marker lights illuminate. POSSIBLE PROBLEMS Faulty dashboard cable assembly. Faulty main light switch. Faulty relay K20. This question eliminates possible problems and determines where troubleshooting continues. Is 12 VDC present at relay K20 terminal 86 on PDP? NO YES Go to step 6 of this fault.