Re: 88' Merc 150 pics, for Hammer
			 
			 
			
		
		
		
			
			You can jump power to the blue or green wire for up / down. You won't hurt anything.  
 
Before that, with the cowling off, see if that may be where the clicking is coming from. I gentle tap with the screw driver may free the sticking relay, temporarily. 
 
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