4 pole ignition switch to replace 8 pole? doable?
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Member
1978 Special 50 Small Frame with 1966 kitted 125cc engine
Joined: 23 Nov 2011
Posts: 25
Location: Los Angeles
Thu Feb 28, 2019 11:23 am quote
I have a 1975 125 Primavera with the ignition key switch completely destroyed.

I also have a brand new 4 pole ignition switch.

While looking at the 125 wiring diagram on scooternet, I plan on deleting the turn signals and the previous owner has it wired to run without the battery.

I'm wondering if some of the 8 poles can 'share' poles on the 4 pole switch, or if I can connect any wires directly and bypass the switch...?

has anybody successfully done this?
Ossessionato
1976 Super (x 2), 1974 Primavera (x 2), 2006 Fly 150
Joined: 26 Sep 2013
Posts: 4391
Location: So Cal
Thu Feb 28, 2019 12:04 pm quote
4-pole with no battery should be easy. Can you post a diagram of your current wiring?
Member
1978 Special 50 Small Frame with 1966 kitted 125cc engine
Joined: 23 Nov 2011
Posts: 25
Location: Los Angeles
Fri Mar 01, 2019 9:43 pm quote
I can't really tell what the PO did.

I need to start tracing wires with a multimeter.

It seems that the wiring is off the handlebar switch, has a positive lead to the ignition switch, that jumps to the running light on the top of the headset...Otherwise, There are no wires connected to the destroyed 8pole ignition/key switch.

And the rest of the wires (two or three) from the handlebar switch go to the engine bay. And two others go to the horn (i assume).
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