Chrysler 75 and 85 HP Outboards Service Manual OB 3646, Page 105Get this manual
7Place probe on red terminal(i)of ignition switchTester lights, proceed to 8No light indicates defective wire in harness connecting accessory terminal block to ignition switch8Place probe on yellow termina of ignition switch, turn ignition switch to "start"Tester lights, proceed to 9Tester does not light, see Test #1 ignition switchSection 4B 14Place .probe on starter side terminal of starter relayTester lights, proceed to 15Tester does not light, see starter relay section for testing 15Place probe on red terminal of starter motorTester lights, starter motor defectiveSee starter motor section for testing
The following tests through 15 must be made with ignition switch in the "start" position 9Place probe on yellow terminalof accessory terminal blockTester lights, proceed to 10No light indicates defective wire in harness between switch and accessory terminal block