2006 Johnson SD 30 HP 4 Stroke Outboards Service Manual, PN 5006592, Page 228Get this manual
POWER TRIM AND TILT SYSTEM WIRING
Testing the PTT Motor Relay
Disconnect the battery cables at the batteryDisconnect all cableslead wires from PTT relayUse digital tester to measure the resistance between each two leads of the relay
Connect "R" wire of the relay to the positive (+) terminal of 12V battery, and "B" wire to negative (-) terminal
IMPORTANT: Each of the following operations
must be performed withinseconds to avoid overheat damage to the relay coilTemporarily connect jumper wire from the "P" lead wire to the battery positive (+) terminal, then check the voltage between "G" wire and "B" wire