Offshoreonly.com

Offshoreonly.com (https://www.offshoreonly.com/forums/)
-   General Q & A (https://www.offshoreonly.com/forums/general-q-20/)
-   -   Merc alt terminals (https://www.offshoreonly.com/forums/general-q/30655-merc-alt-terminals.html)

NASTY HABIT 08-11-2002 10:28 AM

Merc alt terminals
 
does anyone have info on the terminals for a merc #807653 alt. term iden. are

E
B
L2
P
B (WITH A RESISTOR ATTATCHED)


and the regualtor wires

S
EXC

my previous alt was a one wire , am using tunder IV ign.

a little scetchy on what is what here and what is needed...

NASTY HABIT 08-12-2002 05:54 PM

nothing ,,, nada,,,,,zip ?? have heard you can convert this to a one wire hookup ....any info ? anyone know where i might find any info or who I might contact for info ...or shoul;d i just junk this shiny new alt. and use my 15 year old piece of crapola:eek:

Cord 08-12-2002 06:15 PM

I just installed one a couple of weeks ago. I'll take a look tonight and post it. Of course that's assuming I actually installed it correctly. When we test fired the engine, there wasn't a small mushroom cloud over the alternator so I proably got it right...I hope... :D

DanB 08-12-2002 06:18 PM

If its a Delcotron 10-s1 you can convert it over to a single wire with a kit. Jegs and Summit sell them

Dan

NASTY HABIT 08-12-2002 06:27 PM

It' s a mando thanks though am looking through the catalogs now...

NASTY HABIT 08-12-2002 06:33 PM

Cool thanks Cord.....as much as I like mushroom clouds I 'm hoping not to see one hovering over my alt either...i think this is the last piece of my puzzle... i think...

Cord 08-13-2002 09:37 AM

Big hairy thunder storms came through last night, so I didn't get to check. I'll try to do it tonight, but we're supposed to get more rain.

NASTY HABIT 08-13-2002 01:22 PM

Thanks Cord...

mopower 08-13-2002 05:45 PM

Merc mechanic I know sez attach the 10 ga. output wire to the output terminal and just tape and tie back other wires. They're just not use with single wire applications. I want to put larger ones on my Formula 272. At night with lights and bilge blowers on and even a high idle I'm still under 12 volts. Turn on the dock lights or plug in the 29 gazillion megawatt spotlight and things really go down the tubes:(

Cord 08-13-2002 09:53 PM

OK, the 8g red wire goes to the large terminal. This wire leads to the starter stud. The black 10g wire goes on the terminal that holds the resistor. The two smaller wires should be obvious-color to color. There is also a orange 10g wire that hooks up. This is the wire that excites the alternator. That's why mopower can't get it to charge at idle. The only thing is that it was pouring out and I couldn't seem to find the wire. I have a diagram at work. I'll see if I can find the answer on there...

mopower 08-14-2002 05:23 PM

Cord, I still have the stock arrangement that doesn't seam to charge ENOUGH at an idle (at night).Daytime its fine 2000rpm at night it's fine. Just idling in no wake zones at night is the problem. Thats why i'm going to lager , single wire alts.

Lee 08-14-2002 06:00 PM


Originally posted by mopower
Merc mechanic I know sez attach the 10 ga. output wire to the output terminal and just tape and tie back other wires. They're just not use with single wire applications. I want to put larger ones on my Formula 272. At night with lights and bilge blowers on and even a high idle I'm still under 12 volts. Turn on the dock lights or plug in the 29 gazillion megawatt spotlight and things really go down the tubes:(
Rev it up over 1800 RPMS after you start it. Merc alternators won't star charging until it sees that RPM.

NASTY HABIT 08-21-2002 08:55 PM

thanks for the input....

B = Battery (output)

EXC = exciter lead to switched ignition

S = non switched ignition (battery hot )

L2 = not needed

P = not needed

E = not needed


I think........

Cord 08-21-2002 09:50 PM

I believe that merc also installs a ground. Not really sure if it's needed though...

NASTY HABIT 08-21-2002 10:21 PM

I was going to just hit the alt housing with a ground .... should work shouldn't it ?


All times are GMT -5. The time now is 11:13 AM.


Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.