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Author Topic:   Mercury 40 ELPTO - Wiring Schematic Question
Ridge Runner posted 11-09-2007 02:58 PM ET (US)   Profile for Ridge Runner   Send Email to Ridge Runner  
I have a 2005 Mercury 40 ELPTO 2 Stroke on a 130 Sport, I have ordered the service manual but it has not arrived yet. Can somebody help me with the four wires that openly terminate on the side throttle console? The colors are teal/white stripe, lavander/red stripe, solid brown and solid baby blue. I traced them back to the engine and they do seem to be connected in the block wiring harness. If they are for gauges does anyone know if the sending units are on the engine, ie trim and tilt oe water pressure?
Henry posted 11-09-2007 09:11 PM ET (US)     Profile for Henry  Send Email to Henry     

I have the exact same motor. The service manual shows as follows:

green/white: cowl trim switch to remote trim switch to trim down relay switch (there is no teal/white)

red/purple: remote to trim switch to 20 amp fuse

no solid brown and no solid baby blue.

there is an unused brown/white.

there is a light blue/white that is for the trim up relay.

The diagram for power trim/tilt electric start with warning horn remote control shows four wires terminating as follows: brown/white, tan, blue/white and green white.

When I installed my motor I only used the blue/white and green/white for the trim up and trim down. The other two were unused with no problem.

The diagram for the power tilt electric start with warning horn remote shows brown/white, light blue/white, green/white, and purple/white going into a trim harness connector.

I can't find the exact colors you are talking about in the service manual for my 2005 Mercury 40 ELPTO. The part number for the manual is 90-852572R02 November 2002.

Which remote do you have? Is it an older remote?

Hope this helps.

gweatherell posted 02-01-2008 04:13 PM ET (US)     Profile for gweatherell  Send Email to gweatherell     
Hi there.
I just bought a 2005 130 sport with a 2005 Merc. 40 hp ELPTO.
What do you all think about it.. I haven't used it yet, damn snow..
Do any of you know what ELPTO stands for?
Do you find there's enough power to push the 130 boston whaler?
jimh posted 02-01-2008 10:56 PM ET (US)     Profile for jimh  Send Email to jimh     
Please use the PERFORMANCE discussion for questions about boat performance as a function of engine horsepower. This discussion area is for electrical systems.
Chuck Tribolet posted 02-02-2008 02:31 PM ET (US)     Profile for Chuck Tribolet  Send Email to Chuck Tribolet     
ELPTO = Engine LHG Prefers To Own. ;-)


Casco Bay Outrage posted 02-02-2008 04:30 PM ET (US)     Profile for Casco Bay Outrage  Send Email to Casco Bay Outrage     
While Chuck is right...and funny, it also stands for

"E = electric start, L = long shaft, PTO = power tilt & trim"


strongsoutboard posted 02-04-2008 08:51 PM ET (US)     Profile for strongsoutboard  Send Email to strongsoutboard     
L=Long Shaft (20")
PT=Power trim and tilt
O=Oil Injection
Tohsgib posted 02-05-2008 02:55 PM ET (US)     Profile for Tohsgib  Send Email to Tohsgib     
You were close Casco but strong is correct.

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