Honda BF115A, BF130A Outboard Motors Shop Manual., Page 135Get this manual
MAIN RELAY Use the known-good battery for the voltage checkINSPECTION:
1) Remove the main relay (P17-512) Connect the battery positive (+) terminal to the main relay
BlueYellow
blackJyellowterminal and the battery negative (-) terminal to the main relay black terminalThere should be continuity between the whiteyellow terminal and the yellowblack terminal3) Connect the battery positive (+) terminal to the main relay white terminal and the battery negative (-) terminal to the main relay light greenlred terminalThere should be continuity between the whitelblack terminal and the blue yellow terminal4) Connect the battery positive (+) terminal to the main relay