2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 345Get this manual
POWER TRIM AND TILT
PTT SWITCH
Test continuity between the switch lead wires at each of the three switch positions$ 09930-99320: Digital testerTester range:(Continuity) Tester probe connection RedBlack Red Lg (with white tube) DN side depressed Pink WhiteRed Lg (with white tube) UP side Light Blue depressed WhiteRed Red Lg (with white tube) Not Pink depressed Light Blue WhiteRed Tester indicates Continuity