1999 "EE" Outboards Accessories Service Manual, P/N 787026, Page 205Get this manual

1999 "EE" Outboards Accessories Service Manual, P/N 787026, Page 205

Trim Gauge Function
1Turn the engine key switch to ON position
[]] 2The boat trim gauge should indicate full trim-up when tester TRIM SNDR switch is in UP position, and indicate full trim-down when tester switch is in DOWN position If gauge needle does not move, check instrument harness whitetan, black, and purple circuits for an open If gauge needle moved in one direction but not the other, replace trim gauge