trim sender (starboard) wires

newtoboat101

Chief Petty Officer
Joined
Jul 9, 2015
Messages
407
hello, can someone tell me where the trim sender (starboard) side wires connect to , i have 1988 thompson 240 HT alhpa 1 gen 1, replaced motor and for the life of me can't figure where 2 wires from trim sender connect .Now the trim gauge was wired so i followed wire from gauge back to near trim sender wires are ,so 1 goes to one of the sender wires ,but does second wire from trim sender go to a negative ground or positive ? any help appreciated
 

ROY WILLIAMS

Chief Petty Officer
Joined
Aug 8, 2022
Messages
400
hello, can someone tell me where the trim sender (starboard) side wires connect to , i have 1988 thompson 240 HT alhpa 1 gen 1, replaced motor and for the life of me can't figure where 2 wires from trim sender connect .Now the trim gauge was wired so i followed wire from gauge back to near trim sender wires are ,so 1 goes to one of the sender wires ,but does second wire from trim sender go to a negative ground or positive ? any help appreciated
the engine was the new ... then the trim wiring harness of the back engine ...did the connectors ..
the also was a wiring corrosion ..the engine schematic did the wiring diagrams ..
 

alldodge

Moderator
Staff member
Joined
Mar 8, 2009
Messages
42,059
Trim gauge Brown/White other goes to ground. In many cases the ground comes from the trim pump which has a larger wire going to the block

The trim limit connects to the trim pump Blue/White and Purple/White coming from the throttle handle.

Both usually connect at the trim pump
 

newtoboat101

Chief Petty Officer
Joined
Jul 9, 2015
Messages
407
Trim gauge Brown/White other goes to ground. In many cases the ground comes from the trim pump which has a larger wire going to the block

The trim limit connects to the trim pump Blue/White and Purple/White coming from the throttle handle.

Both usually connect at the trim pump
 
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