TM 10-3930-659-20 Table 4-2.  Electrical Troubleshooting (Con't). MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 2.  Check accessory relay within front windshield/rear window wiper motor circuit of load center wiring harness for voltage and continuity (see paragraphs 2-27 and 6-73). Replace damaged accessory relay (see paragraph 6-12). Step 3.  Check front or rear wiper/washer switches for continuity (see paragraph 2-27). Replace damaged front or rear wiper/washer switch (see paragraph 6-56). Step 4.  Disconnect right panel wiring harness at front windshield/rear window wiper motor and test for 24 v at socket (see paragraph 2-27). Replace damaged front windshield or rear window wiper motor (see paragraph 16-6 or 16-8). Step 5.  Check wiring harnesses within front windshield/rear window wiper motor circuits for continuity (see paragraph 2-27) Repair or replace damaged connectors or wires (see paragraph 2-28). 4-36