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simple wiring question

Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models

simple wiring question

Postby jaybee » Mon Jun 03, 2024 1:49 pm

1963 s2 Li125

so i am building this scooter, no battery, no indicators and i am told that the closest wiring diagram in Sticky (3rd ed) is page 323. this seems to make sense.

i have loom with grey, green brown and black, then red and grey brake pedal. brown and white horn

so i have wired it as follows:
headset >> junction block >> loom
green killswitch>>block>>green loom
brown horn >>block>>brown loom
black speedo bulb>>block>>black loom

lightswitch:
white to horn
red/blue direct to headlight
orange to block >>brown (is brown the power feed?)

and headlight earth to somewhere? direct to earth or via the block?

so i have a spare grey loom wire (from footbrake?) on the block,

and i know soemthing has to be earthed on the control rod housing.

must be an easy fix right?
John
Last edited by jaybee on Mon Jun 03, 2024 4:32 pm, edited 1 time in total.
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Re: simple wiring question

Postby gp200ts1 » Mon Jun 03, 2024 2:39 pm

are you running points ignition or electronic? the black is the rear light feed.
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Re: simple wiring question

Postby jaybee » Mon Jun 03, 2024 4:30 pm

have just edited my orig post to clarify black loom wire is connected to speedo bulb.

its a kick start, and kill switch. (so that means points??) its the grey that i dont really get. i am told brown is the live feed.
jaybee
 
Posts: 13
Joined: Fri Aug 26, 2022 3:39 pm
Location: Watford Area

Re: simple wiring question

Postby gp200ts1 » Tue Jun 04, 2024 6:33 am

without having the manual in front of me i am running on foggy memories. the grey is what gives power to the brake light i think so on electronic set up it should have a jump over to the brown. the black should feed into the lighting system with 3 connections at the headset. one black wire that goes to the back light, 1 black that goes to the speedo and 1 black wire that gives power to the system when the lights are switched on.
does this look like your set up?
https://www.scooterhelp.com/electrics/w ... le.nba.pdf
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Re: simple wiring question

Postby jaybee » Sat Jun 08, 2024 12:39 pm

thanks gp200ts1 for getting back to me.

my diagram isnt exactly like that . p323 of Sticky ed 3. its less complex

ill post a video. i presume i can just add a link to my youtube library?

also, how do i get LCGB to ping me when someone responds to one of my posts?
jaybee
 
Posts: 13
Joined: Fri Aug 26, 2022 3:39 pm
Location: Watford Area


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