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GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Alternator wiring diagram

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Old Dec 5, 2018 | 11:06 PM
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remyrick
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Default Alternator wiring diagram

I have a 99 lexus gs300 I'm going to install a 2003 toyota sequoia alternator I've seen this done on the supra where you move a few wires to different spots on the connector to make it work. Supra alternator are different colors in relation to the gs. Question is does anyone know were each color goes or what each wire does on the 99 gs300.
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Old Jan 11, 2019 | 08:15 PM
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Charging system attached.
Attached Files
File Type: pdf
Alternator.pdf (21.7 KB, 1345 views)
File Type: pdf
Alternator 2.pdf (25.9 KB, 1296 views)

Last edited by Tuanville; Jan 11, 2019 at 08:49 PM.
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Old Jan 22, 2019 | 12:35 AM
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Originally Posted by remyrick
I have a 99 lexus gs300 I'm going to install a 2003 toyota sequoia alternator I've seen this done on the supra where you move a few wires to different spots on the connector to make it work. Supra alternator are different colors in relation to the gs. Question is does anyone know were each color goes or what each wire does on the 99 gs300.
Cody Graham wrote about this on is-elite.com
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