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Slo-vertible Drifter
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815 Posts
So to bump an old thread. Is it possible to convert Toyota alts to a one wire setup? For example:
L - disconnected
IGN - Tied in with BATT
S - Tied in with BATT
 

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642 Posts
The OVAL connector SC300 ALT is the 95+ yr model.

The CIRCLE plug ALT is the pre 95' yr model and they do put out a bit more amps.

You can cut the plug off either one and use the same wiring. The wire colors are the same.
 

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I know this is super old but 87supra guy are you still on here? I’m having the same issue with my 1jz
 
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