Topica Loopframe_Guzzi Archive


Subject: RE: Even more eldo dash wiring help- narrowed down

Author: Paul P. Linn

Date: Feb 10, 2005, 4:27 AM

Post ID: 1718366654



Brian,

As both Karl and Matt have said, try replacing the regulator next. It's a
cheap enough part and I believe everyone should have a spare with them at
all times. It highly unlikely that the generator is shorted itself, but
carefully check your wiring connections to it to make sure none are
shorting. With a short present there can be enough current draw thru the
light to try spin the gen and that's why the fuse kept blowing till you
raised the amperage on the fuse. Be careful with this as you could now melt
the fuse block as many have done in the past. Knock on wood, I have never
had to polarize my generator to get it to charge. Part that's ALWAYS failed
has been the regulator. Was the bike running before you started rebuilding
it?

Paul
73 Eldo "Elvira" 949 conversion
74 Eldo "Daisy" undergoing a full police restoration


-----Original Message-----
From: Matthew Moore [mailto:moore-@cablespeed.com]
Sent: Thursday, February 10, 2005 7:09 AM
To: Loopfram-@topica.com
Subject: Re: Even more eldo dash wiring help- narrowed down


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Brian,

you might need to make sure you polarize the generator and the voltage
regulator. Or your generator or regulator has a short. Does it have the
original or an old regulator? A lot of them will fuse one of the contacts
together, if forget which one, but maybe that is causing a direct short,
which would pull current through the light circuit and make the gen spin
(maybe...i'm not an electrician or EE)

A generator is almost the same as an electric motor, in fact some older lawn
tractors used the generator as a starter. If you drive an electric motor, it
will produce voltage. So also, if you put a sufficient voltage across the
generator, it will spin like a motor.

Matt

----- Original Message -----
From: "brian c" <bcoo-@creedon.com>
To: <Loopfram-@topica.com>
Sent: Thursday, February 10, 2005 12:25 AM
Subject: Even more eldo dash wiring help- narrowed down


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Ok, so when I got home tonight I began eliminating wires one by one- and it
is the red wire going to the generator- now here is a weird/bad
thing- I put in a higher amp fuse so it would not short immediately and when
I did this and put the white/black light from the fuse block(power) to the
generator light with the red wire comign from the generaTOR it started
spinning the generator- I have never seEn that before, I double(and
triple)checked the genrator and regulator wires and everything seems fine-
ANY CLUES? Thanks for all the help so far.

Brian



Paul P. Linn wrote:
 
Did you try unhooking one wire at a time to see which was the cause of
the blown fuse? What I mean by that is remove the wire from the
generator side
and check, then re-install and remove the wire going to the oil pressure
and
then do the same going to the neutral switch. Also try removing the
starter
button wire from the top of the fuse and see what happens. Process of
elimination.

Paul
73 Eldo "Elvira" 949 conversion
74 Eldo "Daisy" undergoing a full police restoration


-----Original Message-----
From: brian c [mailto:bcoo-@creedon.com]
Sent: Wednesday, February 09, 2005 11:37 AM
To: Loopfram-@topica.com
Subject: MORE eldo dash wiring help Paul Linn?


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Thank you for the clarification- I re-wired the connections last night
as below, and I am still having a problem- the fuse keeps blowing
between the white/black wire and the blue/black one at the fuse
terminal???? man, sometimes I hate wiring.





Paul P. Linn wrote:
 
Ok, here goes.

Neutral light - green wire from switch

Oil pressure light - gray wire from oil pressure unit

Generator light - red wire from generator

Jumper (white/black) from the neutral light to the oil pressure
light to the
generator light to the fuse panel. These are your power wires.

Lights indicator - as you have it. Case of light grounds to frame.


Paul
73 Eldo "Elvira" 949 conversion
74 Eldo "Daisy" undergoing a full police restoration


-----Original Message-----
From: brian c [mailto:bcoo-@creedon.com]
Sent: Tuesday, February 08, 2005 11:36 PM
To: Loopfram-@topica.com
Subject: eldo dash wiring help needed- idiot lights?


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I don't know if I can link photos here, but I am going to try- at
any rate, I am re-wiring this bike, a 73 eldo with dual dash, and I
have not


done one of these in a while and i can't figure it out from my
wiring
diagram- I have 4 idiot lights, two of them on the left side have two
spade connectors each and the other 2 have a single female connector
each-
2 spade connectors:

Neutral - has green wire from neutral switch on one and a short wire
going to the oil pressure spade connector on the other.

Oil Pressure- has grey wire from oil pressure sending unit on one
and the shore wire to neutral indicator on the other

Female connectors:

Generator- has on red wire coming from the generator

lights indicator- has one yellow/black wire from light circuit

now, from my wiring diagram for this bike it looks like there should
be a white/black wire coming from the fuse block to the generator
light as
well- is this correct, and if so, how am I sopposed to connect it?
It also loks liek there should be a wire connecting the generator
light to the oil pressure light- if so, how do I connect it? just
splice it in?



http://pg.photos.yahoo.com/ph/wfrwasher/detail?.dir=/f924&.dnm=fba9.
jp
g&.src

=ph

http://pg.photos.yahoo.com/ph/wfrwasher/detail?.dir=/f924&.dnm=784e.
jp
g&.src

=ph



Berkeley, CA
'73 Eldo
74 eldo
73 v7sport

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Berkeley, CA
'72 Eldo
'74 850-T

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Berkeley, CA
'72 Eldo
'74 850-T

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