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LS 400

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=1445
Printed Date: April 28, 2024 at 8:03 AM


Topic: LS 400

Posted By: cbr900
Subject: LS 400
Date Posted: June 23, 2002 at 10:57 AM

I need the wire  diagram for a 1990 LS 400

PLEASE HELP ME....................................




Replies:

Posted By: Velocity Motors
Date Posted: June 23, 2002 at 11:26 AM

Lexus

LS 400

1990-1993

Remote Starter  Wiring Colors and Notes

Function

 

 

Vehicle  Color

Location

Start:

 

 

RED

IGNITION SWITCH HARNESS

Ignition  #1:

 

 

BLACK/ ORANGE

IGNITION SWITCH HARNESS

Ignition #2:

 

BLACK / YELLOW

IGNITION SWITCH HARNESS (HEATER)

Ignition  #3:

 

 

N/A

Accessory:

 

 

PINK/BLUE

IGNITION SWITCH HARNESS (RADIO/L'TER)

Brake  Light:

 

 

GREEN / WHITE

(+) SWITCH ABOVE BRAKE PEDAL

Tach  Signal:

 

 

BLACK

AT DIAGNOSTIC PLUG (MARKED IG -) *

Parking Lights:

 

 

GREEN (+)

AT FUSE BOX ("TAIL" FUSE)

Headlights:

 

 

RED

(-) AT HEADLIGHT SWITCH

OEM Alarm  Disarm:

 

GREEN

(-) DRIVER KICK PANEL

OEM Alarm  Arm:

 

GREEN/ EYLLOW

(-) DRIVER KICK PANEL

Diesel  Glow Plug:

 

Clutch  Bypass Wire:

 

Notes:

 * Diagnostic Plug Located On Bracket On Top Front Of Engine.

Lexus

LS 400

1990-1993

Alarm and Keyless  Entry Wiring Colors and Notes

Function

 

Vehicle  Color

Location

Constant  +12 Volts:

 

 

WHITE/ RED AND

WHITE/ BLUE - IGNITION SWITCH HARNESS

Starter  Kill:

 

RED

IGNITION SWITCH HARNESS

Ignition  +12 Volts:

 

 

BLACK/ ORANGE

IGNITION SWITCH HARNESS

Dome  Lights/Superv:

 

 

RED / WHITE (-)

PIN SWITCH OR RED / YELLOW AT LIGHT ***

OEM Horn:

 

 

GRREN/RED (-)

STEERING COLUMN HARNESS OR AT RELAY

Power  Lock:

 

GREEN/ YELLOW

DRIVER'S KICK PANEL **

Power  Unlock:

 

GREEN

DRIVER'S KICK PANEL **

Trunk  Release:

 

BLUE

(-) AT TRUNK RELEASE SWITCH

Alarm  Input Wire:

 

RED / WHITE (-)

PIN SWITCH OR RED / YELLOW AT LIGHT ***

Notes:

**  Toyota Child Safety Locks. *** These Wires Can ALso Be Found At Theft Deterrent And Door Lock Control Unit (TDDLC) Located Behind Driver Dash, Above Fuse/Relay Block. At This Location GREEN/ YELLOW Will Lock & Arm, GREEN Will Unlock & Disarm.


-------------
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA




Posted By: cbr900
Date Posted: June 23, 2002 at 12:20 PM
I need the diagram for the radio





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