What was found
EMERGENCY SEAT MOUNTED FLOOR PROXIMITY LIGHT AT SEAT 21 (ABC) INOP. REMOVED EMERGENCY LIGHT COVER UNDER SEAT 21 C TO GAIN ACCESS TO THE RED AND WHITE EMERGENCY EXIT LIGHTS. TURNED ON EMERGENCY EXIT LIGHTS AND CHECKED FOR POWER AT THE LIGHTS. NO POWER. REMOVED LEFT HAND DADO PANEL AT SEAT 20 ABC TO GAIN ACCESS TO BATTERY PACK M1694. REMOVED CONNECTOR D12008 FROM BATTERY PACK POWER SUPPLY AND CHECKED CONTINUITY TO THE EMERGENCY EXIT LIGHTS. RESISTANCE WAS SEVERAL MEGS AND ERRATIC. REMOVED THE SEAT TRACK FILLER AND TRACED WIRING THROUGH THE CONDUIT. FOUND 2 JIFFY SPLICES WITH NO WIRES IN THE ONE END. NEED TO CONTINUE TO TRACE WIRING INTO SEAT 21 ABC. NEEDS FURTHER TROUBLESHOOTING. PER MANAGEMENT THE BATTERY PACK AND POWER SUPPLY WERE SWAPPED WITH A KNOWN GOOD BATTERY AND POWER SUPPLY WITH NO HELP. THAT UPDATE WAS IN TOCS. IN REF TO B737 WDM 33-51-21-8 FOUND CONNECTOR D12828 NOT FULLY SEATED. CHECKED CONTINUITY OF WIRING FROM CONNECTOR D12828 TO SEAT 21 ABC EMERGENCY LIGHT CONNECTIONS, NO FAULTS FOUND. RECONNECTED AND PROPERLY SEATED CONNECTOR D12828. CHECKED ALL EMERGENCY LIGHTS IN REF TO B737 AMM 33-51-06-960-806, CHECK NORMAL. PROXIMITY LIGHTS AT 21 ABC CONSIDERED OPERATIONAL. ALL SEAT COVERS AND ACCESS COVERS FOR EMERGENCY LIGHTS AT SEAT 21 ABC REINSTALLED IN REF TO SEAT CMM 25-23-55.