Use This Harness To Convert Mercury & Yamaha 3-Wire Systems to 2-Wire.
Use With API Marine #'s PT-475TN-4, PT-476NMK-3, PT-485NMK-3,
PT-495NK-3, PT608NK, PT609NK & PT612NK
API 2-Wire Motors Have A Lower Amp Draw Than The O/E 3-Wire Motors.
Order #RO40 Replacement Relays